79924131 has 16 divisors (see below), whose sum is σ = 135321600. Its totient is φ = 45670824.

The previous prime is 79924093. The next prime is 79924139. The reversal of 79924131 is 13142997.

It is not a de Polignac number, because 79924131 - 2⁶ = 79924067 is a prime.

It is a super-2 number, since 2×79924131² = 12775733432210322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79924139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211251 + ... + 211628.

It is an arithmetic number, because the mean of its divisors is an integer number (8457600).

Almost surely, 2^79924131 is an apocalyptic number.

79924131 is a deficient number, since it is larger than the sum of its proper divisors (55397469).

79924131 is a wasteful number, since it uses less digits than its factorization.

79924131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422895 (or 422889 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 79924131 is about 8940.0296979373. The cubic root of 79924131 is about 430.7506825862.

The spelling of 79924131 in words is "seventy-nine million, nine hundred twenty-four thousand, one hundred thirty-one".