117998836 has 12 divisors (see below), whose sum is σ = 218645028. Its totient is φ = 55528832.

The previous prime is 117998821. The next prime is 117998857. The reversal of 117998836 is 638899711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80102500 + 37896336 = 8950^2 + 6156^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867571 + ... + 867706.

It is an arithmetic number, because the mean of its divisors is an integer number (18220419).

Almost surely, 2^117998836 is an apocalyptic number.

It is an amenable number.

117998836 is a deficient number, since it is larger than the sum of its proper divisors (100646192).

117998836 is a wasteful number, since it uses less digits than its factorization.

117998836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735298 (or 1735296 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The square root of 117998836 is about 10862.7269136253. The cubic root of 117998836 is about 490.4852003600.

The spelling of 117998836 in words is "one hundred seventeen million, nine hundred ninety-eight thousand, eight hundred thirty-six".