79663612 has 18 divisors (see below), whose sum is σ = 162172752. Its totient is φ = 34141464.

The previous prime is 79663601. The next prime is 79663613. The reversal of 79663612 is 21636697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79663613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203028 + ... + 203419.

Almost surely, 2^79663612 is an apocalyptic number.

It is an amenable number.

79663612 is an abundant number, since it is smaller than the sum of its proper divisors (82509140).

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

79663612 is a wasteful number, since it uses less digits than its factorization.

79663612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406465 (or 406456 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 79663612 is about 8925.4474397646. The cubic root of 79663612 is about 430.2821512196.

The spelling of 79663612 in words is "seventy-nine million, six hundred sixty-three thousand, six hundred twelve".