117797909088 has 96 divisors (see below), whose sum is σ = 325788220800. Its totient is φ = 37165741056.

The previous prime is 117797909087. The next prime is 117797909153. The reversal of 117797909088 is 880909797711.

It is a Cunningham number, because it is equal to 343217²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117797909087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030695 + ... + 2087897.

It is an arithmetic number, because the mean of its divisors is an integer number (3393627300).

Almost surely, 2^117797909088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117797909088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162894110400).

117797909088 is an abundant number, since it is smaller than the sum of its proper divisors (207990311712).

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

117797909088 is a wasteful number, since it uses less digits than its factorization.

117797909088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58364 (or 58356 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 66.

The spelling of 117797909088 in words is "one hundred seventeen billion, seven hundred ninety-seven million, nine hundred nine thousand, eighty-eight".