79516937 has 2 divisors, whose sum is σ = 79516938. Its totient is φ = 79516936.

The previous prime is 79516901. The next prime is 79516967. The reversal of 79516937 is 73961597.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77070841 + 2446096 = 8779^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 79516937 - 2²² = 75322633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79516891 and 79516900.

It is not a weakly prime, because it can be changed into another prime (79516967) 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 as a sum of consecutive naturals, namely, 39758468 + 39758469.

It is an arithmetic number, because the mean of its divisors is an integer number (39758469).

Almost surely, 2^79516937 is an apocalyptic number.

It is an amenable number.

79516937 is a deficient number, since it is larger than the sum of its proper divisors (1).

79516937 is an equidigital number, since it uses as much as digits as its factorization.

79516937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 47.

The square root of 79516937 is about 8917.2269792800. The cubic root of 79516937 is about 430.0179134416.

The spelling of 79516937 in words is "seventy-nine million, five hundred sixteen thousand, nine hundred thirty-seven".