685972263372 has 24 divisors (see below), whose sum is σ = 1746111216192. Its totient is φ = 207870382800.

The previous prime is 685972263349. The next prime is 685972263373. The reversal of 685972263372 is 273362279586.

685972263372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×685972263372² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (685972263373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598379654 + ... + 2598379917.

It is an arithmetic number, because the mean of its divisors is an integer number (72754634008).

Almost surely, 2^685972263372 is an apocalyptic number.

It is an amenable number.

685972263372 is an abundant number, since it is smaller than the sum of its proper divisors (1060138952820).

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

685972263372 is a wasteful number, since it uses less digits than its factorization.

685972263372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196759589 (or 5196759587 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 60.

The spelling of 685972263372 in words is "six hundred eighty-five billion, nine hundred seventy-two million, two hundred sixty-three thousand, three hundred seventy-two".