79647216 has 40 divisors (see below), whose sum is σ = 224461824. Its totient is φ = 24135360.

The previous prime is 79647209. The next prime is 79647241. The reversal of 79647216 is 61274697.

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, 74896 + ... + 75951.

Almost surely, 2^79647216 is an apocalyptic number.

It is an amenable number.

79647216 is an abundant number, since it is smaller than the sum of its proper divisors (144814608).

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

79647216 is a wasteful number, since it uses less digits than its factorization.

79647216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150869 (or 150863 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 79647216 is about 8924.5288951294. The cubic root of 79647216 is about 430.2526296266.

The spelling of 79647216 in words is "seventy-nine million, six hundred forty-seven thousand, two hundred sixteen".