808930831 has 4 divisors (see below), whose sum is σ = 810026200. Its totient is φ = 807835464.

The previous prime is 808930823. The next prime is 808930883. The reversal of 808930831 is 138039808.

808930831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 808930831 - 2³ = 808930823 is a prime.

It is a super-2 number, since 2×808930831² = 1308738178684701122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808936831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546576 + ... + 548053.

It is an arithmetic number, because the mean of its divisors is an integer number (202506550).

Almost surely, 2^808930831 is an apocalyptic number.

808930831 is a deficient number, since it is larger than the sum of its proper divisors (1095369).

808930831 is a wasteful number, since it uses less digits than its factorization.

808930831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095368.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 808930831 is about 28441.7093543971. The cubic root of 808930831 is about 931.7594283972.

The spelling of 808930831 in words is "eight hundred eight million, nine hundred thirty thousand, eight hundred thirty-one".