117999936 has 112 divisors (see below), whose sum is σ = 362102400. Its totient is φ = 37610496.

The previous prime is 117999929. The next prime is 117999961. The reversal of 117999936 is 639999711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38260 + ... + 41228.

Almost surely, 2^117999936 is an apocalyptic number.

117999936 is a gapful number since it is divisible by the number (16) 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 117999936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181051200).

117999936 is an abundant number, since it is smaller than the sum of its proper divisors (244102464).

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

117999936 is a wasteful number, since it uses less digits than its factorization.

117999936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 2997 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 117999936 is about 10862.7775453610. Note that the first 3 decimals coincide. The cubic root of 117999936 is about 490.4867244768.

The spelling of 117999936 in words is "one hundred seventeen million, nine hundred ninety-nine thousand, nine hundred thirty-six".