117883885 has 16 divisors (see below), whose sum is σ = 170179200. Its totient is φ = 76579776.

The previous prime is 117883861. The next prime is 117883889. The reversal of 117883885 is 588388711.

It is not a de Polignac number, because 117883885 - 2⁵ = 117883853 is a prime.

It is a super-2 number, since 2×117883885² = 27793220685386450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117883889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87970 + ... + 89299.

It is an arithmetic number, because the mean of its divisors is an integer number (10636200).

Almost surely, 2^117883885 is an apocalyptic number.

It is an amenable number.

117883885 is a deficient number, since it is larger than the sum of its proper divisors (52295315).

117883885 is a wasteful number, since it uses less digits than its factorization.

117883885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177300.

The product of its digits is 430080, while the sum is 49.

The square root of 117883885 is about 10857.4345496531. The cubic root of 117883885 is about 490.3258765209.

The spelling of 117883885 in words is "one hundred seventeen million, eight hundred eighty-three thousand, eight hundred eighty-five".