117898118 has 12 divisors (see below), whose sum is σ = 191497788. Its totient is φ = 54414360.

The previous prime is 117898087. The next prime is 117898153. The reversal of 117898118 is 811898711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174068 + ... + 174743.

It is an arithmetic number, because the mean of its divisors is an integer number (15958149).

Almost surely, 2^117898118 is an apocalyptic number.

117898118 is a deficient number, since it is larger than the sum of its proper divisors (73599670).

117898118 is a wasteful number, since it uses less digits than its factorization.

117898118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348839 (or 348826 counting only the distinct ones).

The product of its digits is 32256, while the sum is 44.

The square root of 117898118 is about 10858.0899793656. The cubic root of 117898118 is about 490.3456092925.

The spelling of 117898118 in words is "one hundred seventeen million, eight hundred ninety-eight thousand, one hundred eighteen".