117628860 has 24 divisors (see below), whose sum is σ = 329360976. Its totient is φ = 31367680.

The previous prime is 117628817. The next prime is 117628871. The reversal of 117628860 is 68826711.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 980181 + ... + 980300.

It is an arithmetic number, because the mean of its divisors is an integer number (13723374).

Almost surely, 2^117628860 is an apocalyptic number.

117628860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117628860 is an abundant number, since it is smaller than the sum of its proper divisors (211732116).

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

117628860 is a wasteful number, since it uses less digits than its factorization.

117628860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960493 (or 1960491 counting only the distinct ones).

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

The square root of 117628860 is about 10845.6839341740. The cubic root of 117628860 is about 489.9720378324.

The spelling of 117628860 in words is "one hundred seventeen million, six hundred twenty-eight thousand, eight hundred sixty".