79571616 has 24 divisors (see below), whose sum is σ = 208875744. Its totient is φ = 26523840.

The previous prime is 79571581. The next prime is 79571623. The reversal of 79571616 is 61617597.

It is a tau number, because it is divible by the number of its divisors (24).

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, 414340 + ... + 414531.

It is an arithmetic number, because the mean of its divisors is an integer number (8703156).

Almost surely, 2^79571616 is an apocalyptic number.

It is an amenable number.

79571616 is an abundant number, since it is smaller than the sum of its proper divisors (129304128).

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

79571616 is a wasteful number, since it uses less digits than its factorization.

79571616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828884 (or 828876 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 79571616 is about 8920.2923718901. The cubic root of 79571616 is about 430.1164566491.

The spelling of 79571616 in words is "seventy-nine million, five hundred seventy-one thousand, six hundred sixteen".