685795875 has 16 divisors (see below), whose sum is σ = 1141164960. Its totient is φ = 365757600.

The previous prime is 685795871. The next prime is 685795897. The reversal of 685795875 is 578597586.

It is not a de Polignac number, because 685795875 - 2² = 685795871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685795871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914020 + ... + 914769.

It is an arithmetic number, because the mean of its divisors is an integer number (71322810).

Almost surely, 2^685795875 is an apocalyptic number.

685795875 is a deficient number, since it is larger than the sum of its proper divisors (455369085).

685795875 is a wasteful number, since it uses less digits than its factorization.

685795875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828807 (or 1828797 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 60.

The square root of 685795875 is about 26187.7046531383. The cubic root of 685795875 is about 881.8572495872.

The spelling of 685795875 in words is "six hundred eighty-five million, seven hundred ninety-five thousand, eight hundred seventy-five".