808512869420 has 48 divisors (see below), whose sum is σ = 1723401277920. Its totient is φ = 318544410624.

The previous prime is 808512869389. The next prime is 808512869429. The reversal of 808512869420 is 24968215808.

It is a super-2 number, since 2×808512869420² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (808512869429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15369002 + ... + 15421518.

It is an arithmetic number, because the mean of its divisors is an integer number (35904193290).

Almost surely, 2^808512869420 is an apocalyptic number.

It is an amenable number.

808512869420 is an abundant number, since it is smaller than the sum of its proper divisors (914888408500).

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

808512869420 is a wasteful number, since it uses less digits than its factorization.

808512869420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64082 (or 64080 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 808512869420 in words is "eight hundred eight billion, five hundred twelve million, eight hundred sixty-nine thousand, four hundred twenty".