118988869 has 16 divisors (see below), whose sum is σ = 125452800. Its totient is φ = 112746816.

The previous prime is 118988861. The next prime is 118988917. The reversal of 118988869 is 968889811.

It is a cyclic number.

It is not a de Polignac number, because 118988869 - 2³ = 118988861 is a prime.

It is a super-2 number, since 2×118988869² = 28316701891798322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118988861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248172 + ... + 248650.

It is an arithmetic number, because the mean of its divisors is an integer number (7840800).

Almost surely, 2^118988869 is an apocalyptic number.

It is an amenable number.

118988869 is a deficient number, since it is larger than the sum of its proper divisors (6463931).

118988869 is a wasteful number, since it uses less digits than its factorization.

118988869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its digits is 1990656, while the sum is 58.

The square root of 118988869 is about 10908.2019141562. The cubic root of 118988869 is about 491.8531368669.

The spelling of 118988869 in words is "one hundred eighteen million, nine hundred eighty-eight thousand, eight hundred sixty-nine".