686800888932 has 12 divisors (see below), whose sum is σ = 1602535407536. Its totient is φ = 228933629640.

The previous prime is 686800888897. The next prime is 686800888951. The reversal of 686800888932 is 239888008686.

686800888932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×686800888932² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28616703694 + ... + 28616703717.

Almost surely, 2^686800888932 is an apocalyptic number.

It is an amenable number.

686800888932 is an abundant number, since it is smaller than the sum of its proper divisors (915734518604).

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

686800888932 is a wasteful number, since it uses less digits than its factorization.

686800888932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57233407418 (or 57233407416 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 686800888932 in words is "six hundred eighty-six billion, eight hundred million, eight hundred eighty-eight thousand, nine hundred thirty-two".