79838564 has 48 divisors (see below), whose sum is σ = 156219840. Its totient is φ = 35468160.

The previous prime is 79838527. The next prime is 79838587. The reversal of 79838564 is 46583897.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162359 + ... + 162849.

It is an arithmetic number, because the mean of its divisors is an integer number (3254580).

Almost surely, 2^79838564 is an apocalyptic number.

It is an amenable number.

79838564 is a deficient number, since it is larger than the sum of its proper divisors (76381276).

79838564 is a wasteful number, since it uses less digits than its factorization.

79838564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 618 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 79838564 is about 8935.2428058783. The cubic root of 79838564 is about 430.5969067304.

The spelling of 79838564 in words is "seventy-nine million, eight hundred thirty-eight thousand, five hundred sixty-four".