117988663955 has 8 divisors (see below), whose sum is σ = 141592245504. Its totient is φ = 94387032000.

The previous prime is 117988663873. The next prime is 117988663957. The reversal of 117988663955 is 559366889711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117988663955 - 2²⁶ = 117921555091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117988663957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350771 + ... + 599180.

It is an arithmetic number, because the mean of its divisors is an integer number (17699030688).

Almost surely, 2^117988663955 is an apocalyptic number.

117988663955 is a deficient number, since it is larger than the sum of its proper divisors (23603581549).

117988663955 is an equidigital number, since it uses as much as digits as its factorization.

117988663955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974797.

The product of its digits is 97977600, while the sum is 68.

The spelling of 117988663955 in words is "one hundred seventeen billion, nine hundred eighty-eight million, six hundred sixty-three thousand, nine hundred fifty-five".