117823086 has 40 divisors (see below), whose sum is σ = 268361544. Its totient is φ = 38627280.

The previous prime is 117823067. The next prime is 117823099. The reversal of 117823086 is 680328711.

It is a self number, because there is not a number n which added to its sum of digits gives 117823086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3921 + ... + 15843.

Almost surely, 2^117823086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117823086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134180772).

117823086 is an abundant number, since it is smaller than the sum of its proper divisors (150538458).

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

117823086 is a wasteful number, since it uses less digits than its factorization.

117823086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998 (or 11989 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 117823086 is about 10854.6343098236. The cubic root of 117823086 is about 490.2415662989.

The spelling of 117823086 in words is "one hundred seventeen million, eight hundred twenty-three thousand, eighty-six".