108864887 has 4 divisors (see below), whose sum is σ = 109344696. Its totient is φ = 108385080.

The previous prime is 108864871. The next prime is 108864893. The reversal of 108864887 is 788468801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108864887 - 2⁴ = 108864871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108864857) 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 3 ways as a sum of consecutive naturals, for example, 239564 + ... + 240017.

It is an arithmetic number, because the mean of its divisors is an integer number (27336174).

Almost surely, 2^108864887 is an apocalyptic number.

108864887 is a deficient number, since it is larger than the sum of its proper divisors (479809).

108864887 is an equidigital number, since it uses as much as digits as its factorization.

108864887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479808.

The product of its (nonzero) digits is 688128, while the sum is 50.

The square root of 108864887 is about 10433.8337632914. The cubic root of 108864887 is about 477.4881617635.

The spelling of 108864887 in words is "one hundred eight million, eight hundred sixty-four thousand, eight hundred eighty-seven".