79313864 has 32 divisors (see below), whose sum is σ = 173171520. Its totient is φ = 33349056.

The previous prime is 79313849. The next prime is 79313873. The reversal of 79313864 is 46831397.

It is a super-2 number, since 2×79313864² = 12581378045220992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10394 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (5411610).

Almost surely, 2^79313864 is an apocalyptic number.

It is an amenable number.

79313864 is an abundant number, since it is smaller than the sum of its proper divisors (93857656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79313864 is a wasteful number, since it uses less digits than its factorization.

79313864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26789 (or 26785 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 79313864 is about 8905.8331446305. The cubic root of 79313864 is about 429.6515366899.

The spelling of 79313864 in words is "seventy-nine million, three hundred thirteen thousand, eight hundred sixty-four".