685117295 has 8 divisors (see below), whose sum is σ = 865411440. Its totient is φ = 519246720.

The previous prime is 685117243. The next prime is 685117313. The reversal of 685117295 is 592711586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 685117295 - 2⁶ = 685117231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605786 + ... + 3605975.

It is an arithmetic number, because the mean of its divisors is an integer number (108176430).

Almost surely, 2^685117295 is an apocalyptic number.

685117295 is a deficient number, since it is larger than the sum of its proper divisors (180294145).

685117295 is a wasteful number, since it uses less digits than its factorization.

685117295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211785.

The product of its digits is 151200, while the sum is 44.

The square root of 685117295 is about 26174.7453664787. The cubic root of 685117295 is about 881.5662941225.

The spelling of 685117295 in words is "six hundred eighty-five million, one hundred seventeen thousand, two hundred ninety-five".