108668859 has 24 divisors (see below), whose sum is σ = 163733760. Its totient is φ = 63958752.

The previous prime is 108668851. The next prime is 108668863. The reversal of 108668859 is 958866801.

It is not a de Polignac number, because 108668859 - 2³ = 108668851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108668851) 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 23 ways as a sum of consecutive naturals, for example, 7002 + ... + 16320.

It is an arithmetic number, because the mean of its divisors is an integer number (6822240).

Almost surely, 2^108668859 is an apocalyptic number.

108668859 is a deficient number, since it is larger than the sum of its proper divisors (55064901).

108668859 is a wasteful number, since it uses less digits than its factorization.

108668859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371 (or 9358 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 108668859 is about 10424.4356681789. The cubic root of 108668859 is about 477.2013925726.

The spelling of 108668859 in words is "one hundred eight million, six hundred sixty-eight thousand, eight hundred fifty-nine".