808478903231 has 32 divisors (see below), whose sum is σ = 866147033088. Its totient is φ = 751993482240.

The previous prime is 808478903227. The next prime is 808478903279. The reversal of 808478903231 is 132309874808.

It is not a de Polignac number, because 808478903231 - 2² = 808478903227 is a prime.

It is a super-2 number, since 2×808478903231² (a number of 25 digits) 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 (808478908231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887462666 + ... + 887463576.

It is an arithmetic number, because the mean of its divisors is an integer number (27067094784).

Almost surely, 2^808478903231 is an apocalyptic number.

808478903231 is a deficient number, since it is larger than the sum of its proper divisors (57668129857).

808478903231 is a wasteful number, since it uses less digits than its factorization.

808478903231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 808478903231 in words is "eight hundred eight billion, four hundred seventy-eight million, nine hundred three thousand, two hundred thirty-one".