79761912 has 32 divisors (see below), whose sum is σ = 199687680. Its totient is φ = 26549600.

The previous prime is 79761911. The next prime is 79761937. The reversal of 79761912 is 21916797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79761911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18787 + ... + 22637.

It is an arithmetic number, because the mean of its divisors is an integer number (6240240).

Almost surely, 2^79761912 is an apocalyptic number.

It is an amenable number.

79761912 is an abundant number, since it is smaller than the sum of its proper divisors (119925768).

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

79761912 is a wasteful number, since it uses less digits than its factorization.

79761912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723 (or 4719 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 79761912 is about 8930.9524688020. The cubic root of 79761912 is about 430.4590590496.

The spelling of 79761912 in words is "seventy-nine million, seven hundred sixty-one thousand, nine hundred twelve".