685307575107 has 40 divisors (see below), whose sum is σ = 1026665643872. Its totient is φ = 455563180800.

The previous prime is 685307575091. The next prime is 685307575129. The reversal of 685307575107 is 701575703586.

685307575107 is a `hidden beast` number, since 6 + 8 + 53 + 0 + 7 + 575 + 10 + 7 = 666.

It is not a de Polignac number, because 685307575107 - 2⁴ = 685307575091 is a prime.

It is a super-2 number, since 2×685307575107² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685307573107) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 98446107 + ... + 98453067.

Almost surely, 2^685307575107 is an apocalyptic number.

685307575107 is a deficient number, since it is larger than the sum of its proper divisors (341358068765).

685307575107 is a wasteful number, since it uses less digits than its factorization.

685307575107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281 (or 10272 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 54.

The spelling of 685307575107 in words is "six hundred eighty-five billion, three hundred seven million, five hundred seventy-five thousand, one hundred seven".