117589770 has 48 divisors (see below), whose sum is σ = 312249600. Its totient is φ = 30688992.

The previous prime is 117589739. The next prime is 117589781. The reversal of 117589770 is 77985711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9670 + ... + 18129.

It is an arithmetic number, because the mean of its divisors is an integer number (6505200).

Almost surely, 2^117589770 is an apocalyptic number.

117589770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117589770 is an abundant number, since it is smaller than the sum of its proper divisors (194659830).

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

117589770 is a wasteful number, since it uses less digits than its factorization.

117589770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27859 (or 27856 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 45.

The square root of 117589770 is about 10843.8816850794. The cubic root of 117589770 is about 489.9177565702.

It can be divided in two parts, 11758 and 9770, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 117589770 in words is "one hundred seventeen million, five hundred eighty-nine thousand, seven hundred seventy".