117987162 has 8 divisors (see below), whose sum is σ = 235974336. Its totient is φ = 39329052.

The previous prime is 117987143. The next prime is 117987173. The reversal of 117987162 is 261789711.

It is a sphenic number, since it is the product of 3 distinct primes.

117987162 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 9832258 + ... + 9832269.

It is an arithmetic number, because the mean of its divisors is an integer number (29496792).

Almost surely, 2^117987162 is an apocalyptic number.

117987162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117987162 is a wasteful number, since it uses less digits than its factorization.

117987162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19664532.

The product of its digits is 42336, while the sum is 42.

The square root of 117987162 is about 10862.1895582797. The cubic root of 117987162 is about 490.4690247397.

The spelling of 117987162 in words is "one hundred seventeen million, nine hundred eighty-seven thousand, one hundred sixty-two".