79518713 has 2 divisors, whose sum is σ = 79518714. Its totient is φ = 79518712.

The previous prime is 79518697. The next prime is 79518763. The reversal of 79518713 is 31781597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 19254544 = 7763^2 + 4388^2 .

It is a cyclic number.

It is not a de Polignac number, because 79518713 - 2⁴ = 79518697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79518763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39759356 + 39759357.

It is an arithmetic number, because the mean of its divisors is an integer number (39759357).

Almost surely, 2^79518713 is an apocalyptic number.

It is an amenable number.

79518713 is a deficient number, since it is larger than the sum of its proper divisors (1).

79518713 is an equidigital number, since it uses as much as digits as its factorization.

79518713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 79518713 is about 8917.3265612514. The cubic root of 79518713 is about 430.0211148817.

The spelling of 79518713 in words is "seventy-nine million, five hundred eighteen thousand, seven hundred thirteen".