686428292376 has 64 divisors (see below), whose sum is σ = 1906815314400. Its totient is φ = 228801024000.

The previous prime is 686428292353. The next prime is 686428292401. The reversal of 686428292376 is 673292824686.

686428292376 is a `hidden beast` number, since 68 + 6 + 42 + 82 + 92 + 376 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9294636 + ... + 9368196.

Almost surely, 2^686428292376 is an apocalyptic number.

It is an amenable number.

686428292376 is an abundant number, since it is smaller than the sum of its proper divisors (1220387022024).

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

686428292376 is a wasteful number, since it uses less digits than its factorization.

686428292376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116777 (or 116767 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 686428292376 in words is "six hundred eighty-six billion, four hundred twenty-eight million, two hundred ninety-two thousand, three hundred seventy-six".