715048687957 has 4 divisors (see below), whose sum is σ = 715219879276. Its totient is φ = 714877496640.

The previous prime is 715048687919. The next prime is 715048687999. The reversal of 715048687957 is 759786840517.

715048687957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759786840517 = 5443 ⋅139589719.

It can be written as a sum of positive squares in 2 ways, for example, as 311558214276 + 403490473681 = 558174^2 + 635209^2 .

It is a cyclic number.

It is not a de Polignac number, because 715048687957 - 2¹¹ = 715048685909 is a prime.

It is a super-2 number, since 2×715048687957² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 715048687892 and 715048687901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715048687907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85589394 + ... + 85597747.

It is an arithmetic number, because the mean of its divisors is an integer number (178804969819).

Almost surely, 2^715048687957 is an apocalyptic number.

It is an amenable number.

715048687957 is a deficient number, since it is larger than the sum of its proper divisors (171191319).

715048687957 is a wasteful number, since it uses less digits than its factorization.

715048687957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171191318.

The product of its (nonzero) digits is 118540800, while the sum is 67.

The spelling of 715048687957 in words is "seven hundred fifteen billion, forty-eight million, six hundred eighty-seven thousand, nine hundred fifty-seven".