79157385 has 32 divisors (see below), whose sum is σ = 145584000. Its totient is φ = 40759488.

The previous prime is 79157369. The next prime is 79157411. The reversal of 79157385 is 58375197.

79157385 is a `hidden beast` number, since 79 + 1 + 573 + 8 + 5 = 666.

It is not a de Polignac number, because 79157385 - 2⁴ = 79157369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79157385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6195 + ... + 14024.

It is an arithmetic number, because the mean of its divisors is an integer number (4549500).

Almost surely, 2^79157385 is an apocalyptic number.

It is an amenable number.

79157385 is a deficient number, since it is larger than the sum of its proper divisors (66426615).

79157385 is a wasteful number, since it uses less digits than its factorization.

79157385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262 (or 20256 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 79157385 is about 8897.0436100988. The cubic root of 79157385 is about 429.3687962720.

It can be divided in two parts, 79 and 157385, that added together give a cube (157464 = 54³).

The spelling of 79157385 in words is "seventy-nine million, one hundred fifty-seven thousand, three hundred eighty-five".