117898636752 has 160 divisors (see below), whose sum is σ = 383626140800. Its totient is φ = 34367182848.

The previous prime is 117898636729. The next prime is 117898636769. The reversal of 117898636752 is 257636898711.

117898636752 is a `hidden beast` number, since 117 + 89 + 86 + 367 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 117898636752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445753 + ... + 659160.

It is an arithmetic number, because the mean of its divisors is an integer number (2397663380).

Almost surely, 2^117898636752 is an apocalyptic number.

117898636752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117898636752 is an abundant number, since it is smaller than the sum of its proper divisors (265727504048).

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

117898636752 is a wasteful number, since it uses less digits than its factorization.

117898636752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104962 (or 1104950 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 117898636752 in words is "one hundred seventeen billion, eight hundred ninety-eight million, six hundred thirty-six thousand, seven hundred fifty-two".