117843904656 has 45 divisors (see below), whose sum is σ = 329810789971. Its totient is φ = 39279928416.

The previous prime is 117843904639. The next prime is 117843904679. The reversal of 117843904656 is 656409348711.

The square root of 117843904656 is 343284.

It is a perfect power (a square), and thus also a powerful number.

117843904656 is a `hidden beast` number, since 1 + 17 + 84 + 3 + 90 + 465 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4105105 + ... + 4133711.

Almost surely, 2^117843904656 is an apocalyptic number.

117843904656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117843904656 is the 343284-th square number.

It is an amenable number.

117843904656 is an abundant number, since it is smaller than the sum of its proper divisors (211966885315).

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

117843904656 is an frugal number, since it uses more digits than its factorization.

117843904656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57228 (or 28612 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 117843904656 in words is "one hundred seventeen billion, eight hundred forty-three million, nine hundred four thousand, six hundred fifty-six".