117619992 has 96 divisors (see below), whose sum is σ = 380098800. Its totient is φ = 33602688.

The previous prime is 117619967. The next prime is 117620023. The reversal of 117619992 is 299916711.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5028 + ... + 16140.

Almost surely, 2^117619992 is an apocalyptic number.

117619992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117619992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190049400).

117619992 is an abundant number, since it is smaller than the sum of its proper divisors (262478808).

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

117619992 is a wasteful number, since it uses less digits than its factorization.

117619992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142 (or 11125 counting only the distinct ones).

The product of its digits is 61236, while the sum is 45.

The square root of 117619992 is about 10845.2751002453. The cubic root of 117619992 is about 489.9597245808.

The spelling of 117619992 in words is "one hundred seventeen million, six hundred nineteen thousand, nine hundred ninety-two".