79959713 has 2 divisors, whose sum is σ = 79959714. Its totient is φ = 79959712.

The previous prime is 79959679. The next prime is 79959749. The reversal of 79959713 is 31795997.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46689889 + 33269824 = 6833^2 + 5768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79959713 is a prime.

It is not a weakly prime, because it can be changed into another prime (79952713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39979856 + 39979857.

It is an arithmetic number, because the mean of its divisors is an integer number (39979857).

Almost surely, 2^79959713 is an apocalyptic number.

It is an amenable number.

79959713 is a deficient number, since it is larger than the sum of its proper divisors (1).

79959713 is an equidigital number, since it uses as much as digits as its factorization.

79959713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 535815, while the sum is 50.

The square root of 79959713 is about 8942.0195146287. The cubic root of 79959713 is about 430.8145961029.

The spelling of 79959713 in words is "seventy-nine million, nine hundred fifty-nine thousand, seven hundred thirteen".