808900868 has 18 divisors (see below), whose sum is σ = 1499280426. Its totient is φ = 380548864.

The previous prime is 808900831. The next prime is 808900877. The reversal of 808900868 is 868009808.

It can be written as a sum of positive squares in 3 ways, for example, as 23892544 + 785008324 = 4888^2 + 28018^2 .

It is a super-2 number, since 2×808900868² = 1308641228502306848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232808 + ... + 236256.

It is an arithmetic number, because the mean of its divisors is an integer number (83293357).

Almost surely, 2^808900868 is an apocalyptic number.

It is an amenable number.

808900868 is a deficient number, since it is larger than the sum of its proper divisors (690379558).

808900868 is an equidigital number, since it uses as much as digits as its factorization.

808900868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 808900868 is about 28441.1826055106. The cubic root of 808900868 is about 931.7479240545.

The spelling of 808900868 in words is "eight hundred eight million, nine hundred thousand, eight hundred sixty-eight".