112991882 has 16 divisors (see below), whose sum is σ = 174388992. Its totient is φ = 54885600.

The previous prime is 112991881. The next prime is 112991887. The reversal of 112991882 is 288199211.

It is a happy number.

It is a super-4 number, since 4×112991882⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (112991881) 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, 4007 + ... + 15557.

It is an arithmetic number, because the mean of its divisors is an integer number (10899312).

Almost surely, 2^112991882 is an apocalyptic number.

112991882 is a deficient number, since it is larger than the sum of its proper divisors (61397110).

112991882 is a wasteful number, since it uses less digits than its factorization.

112991882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11693.

The product of its digits is 20736, while the sum is 41.

The square root of 112991882 is about 10629.7639672760. The cubic root of 112991882 is about 483.4472350928.

The spelling of 112991882 in words is "one hundred twelve million, nine hundred ninety-one thousand, eight hundred eighty-two".