79994263 has 2 divisors, whose sum is σ = 79994264. Its totient is φ = 79994262.

The previous prime is 79994249. The next prime is 79994269. The reversal of 79994263 is 36249997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79994263 - 2²⁵ = 46439831 is a prime.

It is a super-2 number, since 2×79994263² = 12798164225826338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79994269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39997131 + 39997132.

It is an arithmetic number, because the mean of its divisors is an integer number (39997132).

Almost surely, 2^79994263 is an apocalyptic number.

79994263 is a deficient number, since it is larger than the sum of its proper divisors (1).

79994263 is an equidigital number, since it uses as much as digits as its factorization.

79994263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 79994263 is about 8943.9511961996. The cubic root of 79994263 is about 430.8766377670.

The spelling of 79994263 in words is "seventy-nine million, nine hundred ninety-four thousand, two hundred sixty-three".