685927336322 has 18 divisors (see below), whose sum is σ = 1033179762537. Its totient is φ = 341539999200.

The previous prime is 685927336267. The next prime is 685927336327. The reversal of 685927336322 is 223633729586.

It can be written as a sum of positive squares in 2 ways, for example, as 674699602801 + 11227733521 = 821401^2 + 105961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=585631.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685927336327) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 317410922 + ... + 317413082.

Almost surely, 2^685927336322 is an apocalyptic number.

685927336322 is a deficient number, since it is larger than the sum of its proper divisors (347252426215).

685927336322 is an frugal number, since it uses more digits than its factorization.

685927336322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866 (or 2434 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 56.

The spelling of 685927336322 in words is "six hundred eighty-five billion, nine hundred twenty-seven million, three hundred thirty-six thousand, three hundred twenty-two".