79336931 has 2 divisors, whose sum is σ = 79336932. Its totient is φ = 79336930.

The previous prime is 79336903. The next prime is 79336937. The reversal of 79336931 is 13963397.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79336931 is a prime.

It is a super-2 number, since 2×79336931² = 12588697240997522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79336937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39668465 + 39668466.

It is an arithmetic number, because the mean of its divisors is an integer number (39668466).

Almost surely, 2^79336931 is an apocalyptic number.

79336931 is a deficient number, since it is larger than the sum of its proper divisors (1).

79336931 is an equidigital number, since it uses as much as digits as its factorization.

79336931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 41.

The square root of 79336931 is about 8907.1281005720. The cubic root of 79336931 is about 429.6931847737.

The spelling of 79336931 in words is "seventy-nine million, three hundred thirty-six thousand, nine hundred thirty-one".