800809776808 has 32 divisors (see below), whose sum is σ = 1535496320160. Its totient is φ = 391424633280.

The previous prime is 800809776779. The next prime is 800809776821. The reversal of 800809776808 is 808677908008.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4954210 + ... + 5113297.

It is an arithmetic number, because the mean of its divisors is an integer number (47984260005).

Almost surely, 2^800809776808 is an apocalyptic number.

It is an amenable number.

800809776808 is a deficient number, since it is larger than the sum of its proper divisors (734686543352).

800809776808 is a wasteful number, since it uses less digits than its factorization.

800809776808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067737 (or 10067733 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 800809776808 in words is "eight hundred billion, eight hundred nine million, seven hundred seventy-six thousand, eight hundred eight".