79885560 has 32 divisors (see below), whose sum is σ = 239657040. Its totient is φ = 21302784.

The previous prime is 79885541. The next prime is 79885573. The reversal of 79885560 is 6558897.

It is a congruent number.

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, 332737 + ... + 332976.

Almost surely, 2^79885560 is an apocalyptic number.

It is an amenable number.

79885560 is an abundant number, since it is smaller than the sum of its proper divisors (159771480).

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

79885560 is a wasteful number, since it uses less digits than its factorization.

79885560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665727 (or 665723 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 79885560 is about 8937.8722300109. The cubic root of 79885560 is about 430.6813787027.

The spelling of 79885560 in words is "seventy-nine million, eight hundred eighty-five thousand, five hundred sixty".