79995664 has 20 divisors (see below), whose sum is σ = 177133504. Its totient is φ = 34283808.

The previous prime is 79995653. The next prime is 79995667. The reversal of 79995664 is 46659997.

It is not an unprimeable number, because it can be changed into a prime (79995667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357012 + ... + 357235.

Almost surely, 2^79995664 is an apocalyptic number.

It is an amenable number.

79995664 is an abundant number, since it is smaller than the sum of its proper divisors (97137840).

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

79995664 is a wasteful number, since it uses less digits than its factorization.

79995664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714262 (or 714256 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The square root of 79995664 is about 8944.0295169459. The cubic root of 79995664 is about 430.8791531750.

The spelling of 79995664 in words is "seventy-nine million, nine hundred ninety-five thousand, six hundred sixty-four".