117997882 has 16 divisors (see below), whose sum is σ = 180520704. Its totient is φ = 57834000.

The previous prime is 117997849. The next prime is 117997883. The reversal of 117997882 is 288799711.

It is not an unprimeable number, because it can be changed into a prime (117997883) 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, 23407 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (11282544).

Almost surely, 2^117997882 is an apocalyptic number.

117997882 is a deficient number, since it is larger than the sum of its proper divisors (62522822).

117997882 is a wasteful number, since it uses less digits than its factorization.

117997882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845.

The product of its digits is 508032, while the sum is 52.

The square root of 117997882 is about 10862.6830019107. The cubic root of 117997882 is about 490.4838785273.

The spelling of 117997882 in words is "one hundred seventeen million, nine hundred ninety-seven thousand, eight hundred eighty-two".