685466697272 has 16 divisors (see below), whose sum is σ = 1468857208560. Its totient is φ = 293771441664.

The previous prime is 685466697247. The next prime is 685466697341. The reversal of 685466697272 is 272796664586.

It is a congruent number.

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, 6120238313 + ... + 6120238424.

It is an arithmetic number, because the mean of its divisors is an integer number (91803575535).

Almost surely, 2^685466697272 is an apocalyptic number.

It is an amenable number.

685466697272 is an abundant number, since it is smaller than the sum of its proper divisors (783390511288).

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

685466697272 is a wasteful number, since it uses less digits than its factorization.

685466697272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240476750 (or 12240476746 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 68.

The spelling of 685466697272 in words is "six hundred eighty-five billion, four hundred sixty-six million, six hundred ninety-seven thousand, two hundred seventy-two".