79555992 has 32 divisors (see below), whose sum is σ = 199161600. Its totient is φ = 26482464.

The previous prime is 79555991. The next prime is 79555999. The reversal of 79555992 is 29955597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79555991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20253 + ... + 23859.

It is an arithmetic number, because the mean of its divisors is an integer number (6223800).

Almost surely, 2^79555992 is an apocalyptic number.

It is an amenable number.

79555992 is an abundant number, since it is smaller than the sum of its proper divisors (119605608).

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

79555992 is a wasteful number, since it uses less digits than its factorization.

79555992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4531 counting only the distinct ones).

The product of its digits is 1275750, while the sum is 51.

The square root of 79555992 is about 8919.4165728482. The cubic root of 79555992 is about 430.0883034803.

The spelling of 79555992 in words is "seventy-nine million, five hundred fifty-five thousand, nine hundred ninety-two".