79968599 has 2 divisors, whose sum is σ = 79968600. Its totient is φ = 79968598.

The previous prime is 79968593. The next prime is 79968601. The reversal of 79968599 is 99586997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79968599 - 2⁴ = 79968583 is a prime.

Together with 79968601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79968593) 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, 39984299 + 39984300.

It is an arithmetic number, because the mean of its divisors is an integer number (39984300).

Almost surely, 2^79968599 is an apocalyptic number.

79968599 is a deficient number, since it is larger than the sum of its proper divisors (1).

79968599 is an equidigital number, since it uses as much as digits as its factorization.

79968599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 62.

The square root of 79968599 is about 8942.5163684502. The cubic root of 79968599 is about 430.8305544589.

The spelling of 79968599 in words is "seventy-nine million, nine hundred sixty-eight thousand, five hundred ninety-nine".