27387 has 12 divisors (see below), whose sum is σ = 42120. Its totient is φ = 17088.

The previous prime is 27367. The next prime is 27397. The reversal of 27387 is 78372.

It is not a de Polignac number, because 27387 - 2⁷ = 27259 is a prime.

27387 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 27387.

It is not an unprimeable number, because it can be changed into a prime (27337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (3510).

2²⁷³⁸⁷ is an apocalyptic number.

27387 is a deficient number, since it is larger than the sum of its proper divisors (14733).

27387 is a wasteful number, since it uses less digits than its factorization.

27387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 199 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 27387 is about 165.4901809776. The cubic root of 27387 is about 30.1426539201.

It can be divided in two parts, 27 and 387, that added together give a palindrome (414).

The spelling of 27387 in words is "twenty-seven thousand, three hundred eighty-seven".