808678963572 has 12 divisors (see below), whose sum is σ = 1886917581696. Its totient is φ = 269559654520.

The previous prime is 808678963541. The next prime is 808678963591. The reversal of 808678963572 is 275369876808.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×808678963572² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808678963497 and 808678963506.

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 3 ways as a sum of consecutive naturals, for example, 33694956804 + ... + 33694956827.

It is an arithmetic number, because the mean of its divisors is an integer number (157243131808).

Almost surely, 2^808678963572 is an apocalyptic number.

It is an amenable number.

808678963572 is an abundant number, since it is smaller than the sum of its proper divisors (1078238618124).

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

808678963572 is a wasteful number, since it uses less digits than its factorization.

808678963572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67389913638 (or 67389913636 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 808678963572 in words is "eight hundred eight billion, six hundred seventy-eight million, nine hundred sixty-three thousand, five hundred seventy-two".