108864889 has 32 divisors (see below), whose sum is σ = 140486400. Its totient is φ = 82114560.

The previous prime is 108864871. The next prime is 108864893. The reversal of 108864889 is 988468801.

It is a cyclic number.

It is not a de Polignac number, because 108864889 - 2⁵ = 108864857 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108864859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200959 + ... + 201499.

It is an arithmetic number, because the mean of its divisors is an integer number (4390200).

Almost surely, 2^108864889 is an apocalyptic number.

108864889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

108864889 is a deficient number, since it is larger than the sum of its proper divisors (31621511).

108864889 is a wasteful number, since it uses less digits than its factorization.

108864889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 108864889 is about 10433.8338591335. The cubic root of 108864889 is about 477.4881646875.

The spelling of 108864889 in words is "one hundred eight million, eight hundred sixty-four thousand, eight hundred eighty-nine".