117838908 has 48 divisors (see below), whose sum is σ = 333285120. Its totient is φ = 35708400.

The previous prime is 117838907. The next prime is 117838909. The reversal of 117838908 is 809838711.

It is an interprime number because it is at equal distance from previous prime (117838907) and next prime (117838909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117838907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48408 + ... + 50783.

It is an arithmetic number, because the mean of its divisors is an integer number (6943440).

Almost surely, 2^117838908 is an apocalyptic number.

117838908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117838908 is an abundant number, since it is smaller than the sum of its proper divisors (215446212).

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

117838908 is a wasteful number, since it uses less digits than its factorization.

117838908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99215 (or 99207 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 117838908 is about 10855.3630984873. The cubic root of 117838908 is about 490.2635095223.

The spelling of 117838908 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, nine hundred eight".