117707886 has 12 divisors (see below), whose sum is σ = 255033792. Its totient is φ = 39235956.

The previous prime is 117707879. The next prime is 117707917. The reversal of 117707886 is 688707711.

It is a happy number.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 3269646 + ... + 3269681.

It is an arithmetic number, because the mean of its divisors is an integer number (21252816).

Almost surely, 2^117707886 is an apocalyptic number.

117707886 is an abundant number, since it is smaller than the sum of its proper divisors (137325906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117707886 is a wasteful number, since it uses less digits than its factorization.

117707886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539335 (or 6539332 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The square root of 117707886 is about 10849.3265228769. The cubic root of 117707886 is about 490.0817384120.

The spelling of 117707886 in words is "one hundred seventeen million, seven hundred seven thousand, eight hundred eighty-six".