79676089 has 2 divisors, whose sum is σ = 79676090. Its totient is φ = 79676088.

The previous prime is 79676083. The next prime is 79676141. The reversal of 79676089 is 98067697.

It is an a-pointer prime, because the next prime (79676141) can be obtained adding 79676089 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 16949689 = 7920^2 + 4117^2 .

It is a cyclic number.

It is not a de Polignac number, because 79676089 - 2³ = 79676081 is a prime.

It is not a weakly prime, because it can be changed into another prime (79676081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39838044 + 39838045.

It is an arithmetic number, because the mean of its divisors is an integer number (39838045).

Almost surely, 2^79676089 is an apocalyptic number.

It is an amenable number.

79676089 is a deficient number, since it is larger than the sum of its proper divisors (1).

79676089 is an equidigital number, since it uses as much as digits as its factorization.

79676089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 79676089 is about 8926.1463689545. The cubic root of 79676089 is about 430.3046137970.

The spelling of 79676089 in words is "seventy-nine million, six hundred seventy-six thousand, eighty-nine".