117885582 has 48 divisors (see below), whose sum is σ = 271994112. Its totient is φ = 36771840.

The previous prime is 117885563. The next prime is 117885613. The reversal of 117885582 is 285588711.

117885582 is a `hidden beast` number, since 1 + 17 + 88 + 558 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 57438 + ... + 59454.

It is an arithmetic number, because the mean of its divisors is an integer number (5666544).

Almost surely, 2^117885582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117885582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135997056).

117885582 is an abundant number, since it is smaller than the sum of its proper divisors (154108530).

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

117885582 is a wasteful number, since it uses less digits than its factorization.

117885582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2230 counting only the distinct ones).

The product of its digits is 179200, while the sum is 45.

The square root of 117885582 is about 10857.5126985880. The cubic root of 117885582 is about 490.3282293418.

The spelling of 117885582 in words is "one hundred seventeen million, eight hundred eighty-five thousand, five hundred eighty-two".