117990234243936 has 72 divisors (see below), whose sum is σ = 335810436061464. Its totient is φ = 39297760727040.

The previous prime is 117990234243919. The next prime is 117990234243953. The reversal of 117990234243936 is 639342432099711.

It is a happy number.

117990234243936 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 9 + 0 + 234 + 2 + 4 + 393 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (117990234243919) and next prime (117990234243953).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167968450 + ... + 168669441.

It is an arithmetic number, because the mean of its divisors is an integer number (4664033834187).

Almost surely, 2^{117990234243936} is an apocalyptic number.

117990234243936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117990234243936 is an abundant number, since it is smaller than the sum of its proper divisors (217820201817528).

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

117990234243936 is a wasteful number, since it uses less digits than its factorization.

117990234243936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336639124 (or 336639113 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 63.

The spelling of 117990234243936 in words is "one hundred seventeen trillion, nine hundred ninety billion, two hundred thirty-four million, two hundred forty-three thousand, nine hundred thirty-six".