79599089 has 2 divisors, whose sum is σ = 79599090. Its totient is φ = 79599088.

The previous prime is 79599071. The next prime is 79599097. The reversal of 79599089 is 98099597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60528400 + 19070689 = 7780^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 79599089 - 2⁸ = 79598833 is a prime.

It is not a weakly prime, because it can be changed into another prime (79599589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39799544 + 39799545.

It is an arithmetic number, because the mean of its divisors is an integer number (39799545).

Almost surely, 2^79599089 is an apocalyptic number.

It is an amenable number.

79599089 is a deficient number, since it is larger than the sum of its proper divisors (1).

79599089 is an equidigital number, since it uses as much as digits as its factorization.

79599089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The square root of 79599089 is about 8921.8321548884. The cubic root of 79599089 is about 430.1659518097.

The spelling of 79599089 in words is "seventy-nine million, five hundred ninety-nine thousand, eighty-nine".