79875816 has 16 divisors (see below), whose sum is σ = 199689600. Its totient is φ = 26625264.

The previous prime is 79875787. The next prime is 79875827. The reversal of 79875816 is 61857897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664056 + ... + 1664103.

It is an arithmetic number, because the mean of its divisors is an integer number (12480600).

Almost surely, 2^79875816 is an apocalyptic number.

It is an amenable number.

79875816 is an abundant number, since it is smaller than the sum of its proper divisors (119813784).

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

79875816 is a wasteful number, since it uses less digits than its factorization.

79875816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328168 (or 3328164 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 79875816 is about 8937.3271172090. The cubic root of 79875816 is about 430.6638672777.

The spelling of 79875816 in words is "seventy-nine million, eight hundred seventy-five thousand, eight hundred sixteen".