79999627 has 2 divisors, whose sum is σ = 79999628. Its totient is φ = 79999626.

The previous prime is 79999607. The next prime is 79999657. The reversal of 79999627 is 72699997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79999627 - 2¹¹ = 79997579 is a prime.

It is not a weakly prime, because it can be changed into another prime (79999607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39999813 + 39999814.

It is an arithmetic number, because the mean of its divisors is an integer number (39999814).

Almost surely, 2^79999627 is an apocalyptic number.

79999627 is a deficient number, since it is larger than the sum of its proper divisors (1).

79999627 is an equidigital number, since it uses as much as digits as its factorization.

79999627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3857868, while the sum is 58.

The square root of 79999627 is about 8944.2510586410. The cubic root of 79999627 is about 430.8862683352.

The spelling of 79999627 in words is "seventy-nine million, nine hundred ninety-nine thousand, six hundred twenty-seven".