117890783424 has 56 divisors (see below), whose sum is σ = 346577076720. Its totient is φ = 39296927232.

The previous prime is 117890783419. The next prime is 117890783449. The reversal of 117890783424 is 424387098711.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 34110189 + ... + 34113644.

It is an arithmetic number, because the mean of its divisors is an integer number (6188876370).

Almost surely, 2^117890783424 is an apocalyptic number.

It is an amenable number.

117890783424 is an abundant number, since it is smaller than the sum of its proper divisors (228686293296).

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

117890783424 is an equidigital number, since it uses as much as digits as its factorization.

117890783424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68223854 (or 68223838 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 117890783424 in words is "one hundred seventeen billion, eight hundred ninety million, seven hundred eighty-three thousand, four hundred twenty-four".