79890792 has 16 divisors (see below), whose sum is σ = 199727040. Its totient is φ = 26630256.

The previous prime is 79890781. The next prime is 79890793. The reversal of 79890792 is 29709897.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79890793) 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, 1664368 + ... + 1664415.

It is an arithmetic number, because the mean of its divisors is an integer number (12482940).

Almost surely, 2^79890792 is an apocalyptic number.

It is an amenable number.

79890792 is an abundant number, since it is smaller than the sum of its proper divisors (119836248).

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

79890792 is a wasteful number, since it uses less digits than its factorization.

79890792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328792 (or 3328788 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 79890792 is about 8938.1649123296. The cubic root of 79890792 is about 430.6907808015.

The spelling of 79890792 in words is "seventy-nine million, eight hundred ninety thousand, seven hundred ninety-two".