108894865 has 4 divisors (see below), whose sum is σ = 130673844. Its totient is φ = 87115888.

The previous prime is 108894859. The next prime is 108894881. The reversal of 108894865 is 568498801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18948609 + 89946256 = 4353^2 + 9484^2 .

It is a cyclic number.

It is not a de Polignac number, because 108894865 - 2¹⁵ = 108862097 is a prime.

It is a Smith number, since the sum of its digits (49) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10889482 + ... + 10889491.

It is an arithmetic number, because the mean of its divisors is an integer number (32668461).

Almost surely, 2^108894865 is an apocalyptic number.

It is an amenable number.

108894865 is a deficient number, since it is larger than the sum of its proper divisors (21778979).

108894865 is an equidigital number, since it uses as much as digits as its factorization.

108894865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778978.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 108894865 is about 10435.2702408706. The cubic root of 108894865 is about 477.5319861983.

The spelling of 108894865 in words is "one hundred eight million, eight hundred ninety-four thousand, eight hundred sixty-five".