686929276299264 has 96 divisors (see below), whose sum is σ = 1939091489112960. Its totient is φ = 215507223904256.

The previous prime is 686929276299251. The next prime is 686929276299293. The reversal of 686929276299264 is 462992672929686.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3288274824 + ... + 3288483719.

It is an arithmetic number, because the mean of its divisors is an integer number (20198869678260).

Almost surely, 2^{686929276299264} is an apocalyptic number.

686929276299264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

686929276299264 is an abundant number, since it is smaller than the sum of its proper divisors (1252162212813696).

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

686929276299264 is a wasteful number, since it uses less digits than its factorization.

686929276299264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576758585 (or 6576758565 counting only the distinct ones).

The product of its digits is 30474952704, while the sum is 87.

The spelling of 686929276299264 in words is "six hundred eighty-six trillion, nine hundred twenty-nine billion, two hundred seventy-six million, two hundred ninety-nine thousand, two hundred sixty-four".