117686085 has 48 divisors (see below), whose sum is σ = 211522752. Its totient is φ = 55411200.

The previous prime is 117686083. The next prime is 117686099. The reversal of 117686085 is 580686711.

It is not a de Polignac number, because 117686085 - 2¹ = 117686083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117686081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225625 + ... + 226145.

It is an arithmetic number, because the mean of its divisors is an integer number (4406724).

Almost surely, 2^117686085 is an apocalyptic number.

117686085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117686085 is a deficient number, since it is larger than the sum of its proper divisors (93836667).

117686085 is a wasteful number, since it uses less digits than its factorization.

117686085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 117686085 is about 10848.3217596087. The cubic root of 117686085 is about 490.0514800834.

The spelling of 117686085 in words is "one hundred seventeen million, six hundred eighty-six thousand, eighty-five".