799257631 has 2 divisors, whose sum is σ = 799257632. Its totient is φ = 799257630.

The previous prime is 799257619. The next prime is 799257637. The reversal of 799257631 is 136752997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 799257631 - 2²⁵ = 765703199 is a prime.

It is a super-2 number, since 2×799257631² = 1277625521423464322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799257637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399628815 + 399628816.

It is an arithmetic number, because the mean of its divisors is an integer number (399628816).

Almost surely, 2^799257631 is an apocalyptic number.

799257631 is a deficient number, since it is larger than the sum of its proper divisors (1).

799257631 is an equidigital number, since it uses as much as digits as its factorization.

799257631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 49.

The square root of 799257631 is about 28271.1448477065. The cubic root of 799257631 is about 928.0305302177.

The spelling of 799257631 in words is "seven hundred ninety-nine million, two hundred fifty-seven thousand, six hundred thirty-one".