78413359 has 4 divisors (see below), whose sum is σ = 78571000. Its totient is φ = 78255720.

The previous prime is 78413351. The next prime is 78413369. The reversal of 78413359 is 95331487.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95331487 = 71 ⋅1342697.

It is a cyclic number.

It is not a de Polignac number, because 78413359 - 2³ = 78413351 is a prime.

It is a super-2 number, since 2×78413359² = 12297309739325762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413351) 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, 78072 + ... + 79069.

It is an arithmetic number, because the mean of its divisors is an integer number (19642750).

Almost surely, 2^78413359 is an apocalyptic number.

78413359 is a deficient number, since it is larger than the sum of its proper divisors (157641).

78413359 is a wasteful number, since it uses less digits than its factorization.

78413359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157640.

The product of its digits is 90720, while the sum is 40.

The square root of 78413359 is about 8855.1317889685. The cubic root of 78413359 is about 428.0193003059.

The spelling of 78413359 in words is "seventy-eight million, four hundred thirteen thousand, three hundred fifty-nine".