117609420942 has 96 divisors (see below), whose sum is σ = 282214951200. Its totient is φ = 35166781440.

The previous prime is 117609420923. The next prime is 117609421009. The reversal of 117609420942 is 249024906711.

117609420942 is a `hidden beast` number, since 1 + 17 + 609 + 4 + 20 + 9 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2441809 + ... + 2489507.

It is an arithmetic number, because the mean of its divisors is an integer number (2939739075).

Almost surely, 2^117609420942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117609420942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141107475600).

117609420942 is an abundant number, since it is smaller than the sum of its proper divisors (164605530258).

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

117609420942 is a wasteful number, since it uses less digits than its factorization.

117609420942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48018 (or 48015 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 117609420942 in words is "one hundred seventeen billion, six hundred nine million, four hundred twenty thousand, nine hundred forty-two".