117889180 has 24 divisors (see below), whose sum is σ = 251265168. Its totient is φ = 46451328.

The previous prime is 117889159. The next prime is 117889193. The reversal of 117889180 is 81988711.

It is a super-2 number, since 2×117889180² = 27795717522144800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 42649 + ... + 45328.

It is an arithmetic number, because the mean of its divisors is an integer number (10469382).

Almost surely, 2^117889180 is an apocalyptic number.

117889180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117889180 is an abundant number, since it is smaller than the sum of its proper divisors (133375988).

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

117889180 is a wasteful number, since it uses less digits than its factorization.

117889180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88053 (or 88051 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 43.

The square root of 117889180 is about 10857.6783890480. The cubic root of 117889180 is about 490.3332177467. Note that the first 3 decimals are identical.

The spelling of 117889180 in words is "one hundred seventeen million, eight hundred eighty-nine thousand, one hundred eighty".