808891983216 has 60 divisors (see below), whose sum is σ = 2311939517472. Its totient is φ = 263893836288.

The previous prime is 808891983199. The next prime is 808891983271. The reversal of 808891983216 is 612389198808.

It is a happy number.

It is a super-2 number, since 2×808891983216² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 59751801 + ... + 59765336.

Almost surely, 2^808891983216 is an apocalyptic number.

It is an amenable number.

808891983216 is an abundant number, since it is smaller than the sum of its proper divisors (1503047534256).

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

808891983216 is a wasteful number, since it uses less digits than its factorization.

808891983216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119517198 (or 119517189 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The spelling of 808891983216 in words is "eight hundred eight billion, eight hundred ninety-one million, nine hundred eighty-three thousand, two hundred sixteen".