108003865 has 8 divisors (see below), whose sum is σ = 131380488. Its totient is φ = 85219200.

The previous prime is 108003829. The next prime is 108003899. The reversal of 108003865 is 568300801.

It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 107993664 = 101^2 + 10392^2 .

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

It is not a de Polignac number, because 108003865 - 2²⁵ = 74449433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147586 + ... + 148315.

It is an arithmetic number, because the mean of its divisors is an integer number (16422561).

Almost surely, 2^108003865 is an apocalyptic number.

It is an amenable number.

108003865 is a deficient number, since it is larger than the sum of its proper divisors (23376623).

108003865 is an equidigital number, since it uses as much as digits as its factorization.

108003865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295979.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 108003865 is about 10392.4907986488. The cubic root of 108003865 is about 476.2259963607.

The spelling of 108003865 in words is "one hundred eight million, three thousand, eight hundred sixty-five".