117819898 has 16 divisors (see below), whose sum is σ = 202144320. Its totient is φ = 50452416.

The previous prime is 117819859. The next prime is 117819899. The reversal of 117819898 is 898918711.

It is not an unprimeable number, because it can be changed into a prime (117819899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19033 + ... + 24451.

It is an arithmetic number, because the mean of its divisors is an integer number (12634020).

Almost surely, 2^117819898 is an apocalyptic number.

117819898 is a deficient number, since it is larger than the sum of its proper divisors (84324422).

117819898 is a wasteful number, since it uses less digits than its factorization.

117819898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981.

The product of its digits is 290304, while the sum is 52.

The square root of 117819898 is about 10854.4874591111. The cubic root of 117819898 is about 490.2371446861.

The spelling of 117819898 in words is "one hundred seventeen million, eight hundred nineteen thousand, eight hundred ninety-eight".