79962939 has 12 divisors (see below), whose sum is σ = 132002416. Its totient is φ = 45693072.

The previous prime is 79962913. The next prime is 79962941. The reversal of 79962939 is 93926997.

79962939 is a `hidden beast` number, since 7 + 9 + 9 + 629 + 3 + 9 = 666.

It is not a de Polignac number, because 79962939 - 2⁸ = 79962683 is a prime.

It is a super-2 number, since 2×79962939² = 12788143227035442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79962989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634564 + ... + 634689.

Almost surely, 2^79962939 is an apocalyptic number.

79962939 is a deficient number, since it is larger than the sum of its proper divisors (52039477).

79962939 is a wasteful number, since it uses less digits than its factorization.

79962939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269266 (or 1269263 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 79962939 is about 8942.1998971170. The cubic root of 79962939 is about 430.8203898089.

The spelling of 79962939 in words is "seventy-nine million, nine hundred sixty-two thousand, nine hundred thirty-nine".