79885912 has 8 divisors (see below), whose sum is σ = 149786100. Its totient is φ = 39942952.

The previous prime is 79885901. The next prime is 79885943. The reversal of 79885912 is 21958897.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4992862 + ... + 4992877.

Almost surely, 2^79885912 is an apocalyptic number.

It is an amenable number.

79885912 is a deficient number, since it is larger than the sum of its proper divisors (69900188).

79885912 is a wasteful number, since it uses less digits than its factorization.

79885912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985745 (or 9985741 counting only the distinct ones).

The product of its digits is 362880, while the sum is 49.

The square root of 79885912 is about 8937.8919214768. The cubic root of 79885912 is about 430.6820112727.

The spelling of 79885912 in words is "seventy-nine million, eight hundred eighty-five thousand, nine hundred twelve".