79257664 has 28 divisors (see below), whose sum is σ = 165557200. Its totient is φ = 37542528.

The previous prime is 79257653. The next prime is 79257677. The reversal of 79257664 is 46675297.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31374 + ... + 33805.

Almost surely, 2^79257664 is an apocalyptic number.

It is an amenable number.

79257664 is an abundant number, since it is smaller than the sum of its proper divisors (86299536).

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

79257664 is a wasteful number, since it uses less digits than its factorization.

79257664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65210 (or 65200 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 79257664 is about 8902.6773501009. The cubic root of 79257664 is about 429.5500322761.

The spelling of 79257664 in words is "seventy-nine million, two hundred fifty-seven thousand, six hundred sixty-four".