117883830 has 16 divisors (see below), whose sum is σ = 282921264. Its totient is φ = 31435680.

The previous prime is 117883807. The next prime is 117883841. The reversal of 117883830 is 38388711.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964701 + ... + 1964760.

It is an arithmetic number, because the mean of its divisors is an integer number (17682579).

Almost surely, 2^117883830 is an apocalyptic number.

117883830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117883830 is an abundant number, since it is smaller than the sum of its proper divisors (165037434).

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

117883830 is a wasteful number, since it uses less digits than its factorization.

117883830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929471.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 117883830 is about 10857.4320168261. The cubic root of 117883830 is about 490.3258002653.

The spelling of 117883830 in words is "one hundred seventeen million, eight hundred eighty-three thousand, eight hundred thirty".