79911944 has 24 divisors (see below), whose sum is σ = 174298590. Its totient is φ = 34247808.

The previous prime is 79911919. The next prime is 79911947. The reversal of 79911944 is 44911997.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79032100 + 879844 = 8890^2 + 938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79911895 and 79911904.

It is not an unprimeable number, because it can be changed into a prime (79911947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101537 + ... + 102320.

Almost surely, 2^79911944 is an apocalyptic number.

It is an amenable number.

79911944 is an abundant number, since it is smaller than the sum of its proper divisors (94386646).

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

79911944 is a wasteful number, since it uses less digits than its factorization.

79911944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203877 (or 203866 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 79911944 is about 8939.3480746641. The cubic root of 79911944 is about 430.7287875492.

The spelling of 79911944 in words is "seventy-nine million, nine hundred eleven thousand, nine hundred forty-four".