117699685 has 8 divisors (see below), whose sum is σ = 142057080. Its totient is φ = 93614784.

The previous prime is 117699667. The next prime is 117699707. The reversal of 117699685 is 586996711.

It can be written as a sum of positive squares in 4 ways, for example, as 30669444 + 87030241 = 5538^2 + 9329^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 117699685 - 2⁹ = 117699173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67170 + ... + 68899.

It is an arithmetic number, because the mean of its divisors is an integer number (17757135).

Almost surely, 2^117699685 is an apocalyptic number.

It is an amenable number.

117699685 is a deficient number, since it is larger than the sum of its proper divisors (24357395).

117699685 is a wasteful number, since it uses less digits than its factorization.

117699685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136247.

The product of its digits is 816480, while the sum is 52.

The square root of 117699685 is about 10848.9485665663. The cubic root of 117699685 is about 490.0703564114.

The spelling of 117699685 in words is "one hundred seventeen million, six hundred ninety-nine thousand, six hundred eighty-five".