117317655 has 48 divisors (see below), whose sum is σ = 250286400. Its totient is φ = 49503744.

The previous prime is 117317633. The next prime is 117317657. The reversal of 117317655 is 556713711.

It is not a de Polignac number, because 117317655 - 2⁵ = 117317623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117317657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10230 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (5214300).

Almost surely, 2^117317655 is an apocalyptic number.

117317655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117317655 is an abundant number, since it is smaller than the sum of its proper divisors (132968745).

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

117317655 is a wasteful number, since it uses less digits than its factorization.

117317655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28680 (or 28677 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 117317655 is about 10831.3274809693. The cubic root of 117317655 is about 489.5395577499.

The spelling of 117317655 in words is "one hundred seventeen million, three hundred seventeen thousand, six hundred fifty-five".