117891182 has 16 divisors (see below), whose sum is σ = 179088000. Its totient is φ = 58200120.

The previous prime is 117891173. The next prime is 117891197. The reversal of 117891182 is 281198711.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 54257 + ... + 56387.

It is an arithmetic number, because the mean of its divisors is an integer number (11193000).

Almost surely, 2^117891182 is an apocalyptic number.

117891182 is a deficient number, since it is larger than the sum of its proper divisors (61196818).

117891182 is a wasteful number, since it uses less digits than its factorization.

117891182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its digits is 8064, while the sum is 38.

The square root of 117891182 is about 10857.7705814776. The cubic root of 117891182 is about 490.3359933521.

The spelling of 117891182 in words is "one hundred seventeen million, eight hundred ninety-one thousand, one hundred eighty-two".