27885 has 24 divisors (see below), whose sum is σ = 52704. Its totient is φ = 12480.

The previous prime is 27883. The next prime is 27893. The reversal of 27885 is 58872.

It is not a de Polignac number, because 27885 - 2¹ = 27883 is a prime.

Its product of digits (4480) is a multiple of the sum of its prime divisors (32).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2139 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (2196).

2²⁷⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

27885 is a deficient number, since it is larger than the sum of its proper divisors (24819).

27885 is a wasteful number, since it uses less digits than its factorization.

27885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 32 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 27885 is about 166.9880235226. The cubic root of 27885 is about 30.3242603250.

It can be divided in two parts, 278 and 85, that added together give a palindrome (363).

The spelling of 27885 in words is "twenty-seven thousand, eight hundred eighty-five".