800631868 has 6 divisors (see below), whose sum is σ = 1401105776. Its totient is φ = 400315932.

The previous prime is 800631859. The next prime is 800631883. The reversal of 800631868 is 868136008.

It is a super-2 number, since 2×800631868² = 1282022776114338848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 800631868.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100078980 + ... + 100078987.

Almost surely, 2^800631868 is an apocalyptic number.

It is an amenable number.

800631868 is a deficient number, since it is larger than the sum of its proper divisors (600473908).

800631868 is a wasteful number, since it uses less digits than its factorization.

800631868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200157971 (or 200157969 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 800631868 is about 28295.4389964178. The cubic root of 800631868 is about 928.5621083584.

The spelling of 800631868 in words is "eight hundred million, six hundred thirty-one thousand, eight hundred sixty-eight".