117689994 has 24 divisors (see below), whose sum is σ = 256426560. Its totient is φ = 39009768.

The previous prime is 117689983. The next prime is 117690017. The reversal of 117689994 is 499986711.

It is a self number, because there is not a number n which added to its sum of digits gives 117689994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15042 + ... + 21485.

It is an arithmetic number, because the mean of its divisors is an integer number (10684440).

Almost surely, 2^117689994 is an apocalyptic number.

117689994 is an abundant number, since it is smaller than the sum of its proper divisors (138736566).

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

117689994 is a wasteful number, since it uses less digits than its factorization.

117689994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36714 (or 36711 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 117689994 is about 10848.5019242290. The cubic root of 117689994 is about 490.0569057886.

The spelling of 117689994 in words is "one hundred seventeen million, six hundred eighty-nine thousand, nine hundred ninety-four".