79390651 has 2 divisors, whose sum is σ = 79390652. Its totient is φ = 79390650.

The previous prime is 79390609. The next prime is 79390673. The reversal of 79390651 is 15609397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79390651 - 2¹⁹ = 78866363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79390601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39695325 + 39695326.

It is an arithmetic number, because the mean of its divisors is an integer number (39695326).

Almost surely, 2^79390651 is an apocalyptic number.

79390651 is a deficient number, since it is larger than the sum of its proper divisors (1).

79390651 is an equidigital number, since it uses as much as digits as its factorization.

79390651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 79390651 is about 8910.1431526098. The cubic root of 79390651 is about 429.7901463846.

The spelling of 79390651 in words is "seventy-nine million, three hundred ninety thousand, six hundred fifty-one".