800808855 has 48 divisors (see below), whose sum is σ = 1609585152. Its totient is φ = 332798400.

The previous prime is 800808847. The next prime is 800808881. The reversal of 800808855 is 558808008.

It is not a de Polignac number, because 800808855 - 2³ = 800808847 is a prime.

It is a super-2 number, since 2×800808855² = 1282589644492822050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18811 + ... + 44220.

It is an arithmetic number, because the mean of its divisors is an integer number (33533024).

Almost surely, 2^800808855 is an apocalyptic number.

800808855 is an abundant number, since it is smaller than the sum of its proper divisors (808776297).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800808855 is a wasteful number, since it uses less digits than its factorization.

800808855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63068 (or 63057 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 800808855 is about 28298.5663064403. The cubic root of 800808855 is about 928.6305257006.

The spelling of 800808855 in words is "eight hundred million, eight hundred eight thousand, eight hundred fifty-five".