14987792457 has 24 divisors (see below), whose sum is σ = 23621427648. Its totient is φ = 9081856800.

The previous prime is 14987792431. The next prime is 14987792471. The reversal of 14987792457 is 75429778941.

14987792457 is a `hidden beast` number, since 1 + 4 + 98 + 7 + 7 + 92 + 457 = 666.

It is not a de Polignac number, because 14987792457 - 2¹¹ = 14987790409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14987792394 and 14987792403.

It is not an unprimeable number, because it can be changed into a prime (14987790457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739732 + ... + 759722.

It is an arithmetic number, because the mean of its divisors is an integer number (984226152).

Almost surely, 2^14987792457 is an apocalyptic number.

It is an amenable number.

14987792457 is a deficient number, since it is larger than the sum of its proper divisors (8633635191).

14987792457 is a wasteful number, since it uses less digits than its factorization.

14987792457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581 (or 27578 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 14987792457 in words is "fourteen billion, nine hundred eighty-seven million, seven hundred ninety-two thousand, four hundred fifty-seven".