117685765 has 8 divisors (see below), whose sum is σ = 145778688. Its totient is φ = 91111440.

The previous prime is 117685759. The next prime is 117685801. The reversal of 117685765 is 567586711.

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

It is not a de Polignac number, because 117685765 - 2¹⁷ = 117554693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379477 + ... + 379786.

It is an arithmetic number, because the mean of its divisors is an integer number (18222336).

Almost surely, 2^117685765 is an apocalyptic number.

It is an amenable number.

117685765 is a deficient number, since it is larger than the sum of its proper divisors (28092923).

117685765 is an equidigital number, since it uses as much as digits as its factorization.

117685765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759299.

The product of its digits is 352800, while the sum is 46.

The square root of 117685765 is about 10848.3070107736. The cubic root of 117685765 is about 490.0510359170.

The spelling of 117685765 in words is "one hundred seventeen million, six hundred eighty-five thousand, seven hundred sixty-five".