18808875 has 32 divisors (see below), whose sum is σ = 34781760. Its totient is φ = 10029600.

The previous prime is 18808859. The next prime is 18808877. The reversal of 18808875 is 57880881.

It is a happy number.

It is not a de Polignac number, because 18808875 - 2⁴ = 18808859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18808875.

It is not an unprimeable number, because it can be changed into a prime (18808877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589 + ... + 6161.

It is an arithmetic number, because the mean of its divisors is an integer number (1086930).

Almost surely, 2^18808875 is an apocalyptic number.

18808875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18808875 is a deficient number, since it is larger than the sum of its proper divisors (15972885).

18808875 is an equidigital number, since it uses as much as digits as its factorization.

18808875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597 (or 5581 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The square root of 18808875 is about 4336.9199900390. The cubic root of 18808875 is about 265.9424140893.

It can be divided in two parts, 18808 and 875, that added together give a 9-th power (19683 = 3⁹).

The spelling of 18808875 in words is "eighteen million, eight hundred eight thousand, eight hundred seventy-five".