117998835 has 16 divisors (see below), whose sum is σ = 198735360. Its totient is φ = 59620320.

The previous prime is 117998821. The next prime is 117998857. The reversal of 117998835 is 538899711.

It is not a de Polignac number, because 117998835 - 2⁷ = 117998707 is a prime.

It is a super-2 number, since 2×117998835² = 27847450122714450, which contains 22 as substring.

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, 206731 + ... + 207300.

It is an arithmetic number, because the mean of its divisors is an integer number (12420960).

Almost surely, 2^117998835 is an apocalyptic number.

117998835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117998835 is a deficient number, since it is larger than the sum of its proper divisors (80736525).

117998835 is a wasteful number, since it uses less digits than its factorization.

117998835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414058.

The product of its digits is 544320, while the sum is 51.

The square root of 117998835 is about 10862.7268675964. The cubic root of 117998835 is about 490.4851989744.

The spelling of 117998835 in words is "one hundred seventeen million, nine hundred ninety-eight thousand, eight hundred thirty-five".