18080875 has 32 divisors (see below), whose sum is σ = 24860160. Its totient is φ = 13068000.

The previous prime is 18080869. The next prime is 18080899. The reversal of 18080875 is 57808081.

It is not a de Polignac number, because 18080875 - 2⁷ = 18080747 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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 31 ways as a sum of consecutive naturals, for example, 54460 + ... + 54790.

It is an arithmetic number, because the mean of its divisors is an integer number (776880).

Almost surely, 2^18080875 is an apocalyptic number.

18080875 is a deficient number, since it is larger than the sum of its proper divisors (6779285).

18080875 is a wasteful number, since it uses less digits than its factorization.

18080875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 18080875 is about 4252.1612151940. The cubic root of 18080875 is about 262.4660575916.

The spelling of 18080875 in words is "eighteen million, eighty thousand, eight hundred seventy-five".