108320865 has 8 divisors (see below), whose sum is σ = 173313408. Its totient is φ = 57771120.

The previous prime is 108320857. The next prime is 108320897. The reversal of 108320865 is 568023801.

It is a happy number.

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

It is not a de Polignac number, because 108320865 - 2³ = 108320857 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3610681 + ... + 3610710.

It is an arithmetic number, because the mean of its divisors is an integer number (21664176).

Almost surely, 2^108320865 is an apocalyptic number.

108320865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108320865 is a deficient number, since it is larger than the sum of its proper divisors (64992543).

108320865 is an equidigital number, since it uses as much as digits as its factorization.

108320865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221399.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 108320865 is about 10407.7310207365. The cubic root of 108320865 is about 476.6914617538.

The spelling of 108320865 in words is "one hundred eight million, three hundred twenty thousand, eight hundred sixty-five".