79916227 has 2 divisors, whose sum is σ = 79916228. Its totient is φ = 79916226.

The previous prime is 79916203. The next prime is 79916311. The reversal of 79916227 is 72261997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79916227 - 2¹¹ = 79914179 is a prime.

It is not a weakly prime, because it can be changed into another prime (79916827) 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, 39958113 + 39958114.

It is an arithmetic number, because the mean of its divisors is an integer number (39958114).

Almost surely, 2^79916227 is an apocalyptic number.

79916227 is a deficient number, since it is larger than the sum of its proper divisors (1).

79916227 is an equidigital number, since it uses as much as digits as its factorization.

79916227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 79916227 is about 8939.5876303105. The cubic root of 79916227 is about 430.7364825960.

The spelling of 79916227 in words is "seventy-nine million, nine hundred sixteen thousand, two hundred twenty-seven".