117889375926 has 128 divisors (see below), whose sum is σ = 280991462400. Its totient is φ = 32261160960.

The previous prime is 117889375909. The next prime is 117889375931. The reversal of 117889375926 is 629573988711.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154913386 + ... + 154914146.

It is an arithmetic number, because the mean of its divisors is an integer number (2195245800).

Almost surely, 2^117889375926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117889375926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140495731200).

117889375926 is an abundant number, since it is smaller than the sum of its proper divisors (163102086474).

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

117889375926 is a wasteful number, since it uses less digits than its factorization.

117889375926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654.

The product of its digits is 45722880, while the sum is 66.

The spelling of 117889375926 in words is "one hundred seventeen billion, eight hundred eighty-nine million, three hundred seventy-five thousand, nine hundred twenty-six".