117707885 has 8 divisors (see below), whose sum is σ = 142621440. Its totient is φ = 93251664.

The previous prime is 117707879. The next prime is 117707917. The reversal of 117707885 is 588707711.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117707885 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113765 + ... + 114794.

It is an arithmetic number, because the mean of its divisors is an integer number (17827680).

Almost surely, 2^117707885 is an apocalyptic number.

It is an amenable number.

117707885 is a deficient number, since it is larger than the sum of its proper divisors (24913555).

117707885 is a wasteful number, since it uses less digits than its factorization.

117707885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228667.

The product of its (nonzero) digits is 109760, while the sum is 44.

The square root of 117707885 is about 10849.3264767911. The cubic root of 117707885 is about 490.0817370241.

The spelling of 117707885 in words is "one hundred seventeen million, seven hundred seven thousand, eight hundred eighty-five".