115882989 has 8 divisors (see below), whose sum is σ = 155374560. Its totient is φ = 76823376.

The previous prime is 115882961. The next prime is 115883029. The reversal of 115882989 is 989288511.

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

It is not a de Polignac number, because 115882989 - 2⁹ = 115882477 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115882909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107362 + ... + 108435.

It is an arithmetic number, because the mean of its divisors is an integer number (19421820).

Almost surely, 2^115882989 is an apocalyptic number.

It is an amenable number.

115882989 is a deficient number, since it is larger than the sum of its proper divisors (39491571).

115882989 is a wasteful number, since it uses less digits than its factorization.

115882989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215979.

The product of its digits is 414720, while the sum is 51.

The square root of 115882989 is about 10764.8961444131. The cubic root of 115882989 is about 487.5358574545.

The spelling of 115882989 in words is "one hundred fifteen million, eight hundred eighty-two thousand, nine hundred eighty-nine".