808809688808 has 16 divisors (see below), whose sum is σ = 1654383454560. Its totient is φ = 367640767600.

The previous prime is 808809688807. The next prime is 808809688831. The reversal of 808809688808 is 808886908808.

It is a happy number.

It is a super-2 number, since 2×808809688808² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (808809688807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595509508 + ... + 4595509683.

It is an arithmetic number, because the mean of its divisors is an integer number (103398965910).

Almost surely, 2^808809688808 is an apocalyptic number.

808809688808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

808809688808 is an abundant number, since it is smaller than the sum of its proper divisors (845573765752).

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

808809688808 is a wasteful number, since it uses less digits than its factorization.

808809688808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191019208 (or 9191019204 counting only the distinct ones).

The product of its (nonzero) digits is 113246208, while the sum is 71.

The spelling of 808809688808 in words is "eight hundred eight billion, eight hundred nine million, six hundred eighty-eight thousand, eight hundred eight".