27087 has 4 divisors (see below), whose sum is σ = 36120. Its totient is φ = 18056.

The previous prime is 27077. The next prime is 27091. The reversal of 27087 is 78072.

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

It is a cyclic number.

It is not a de Polignac number, because 27087 - 2⁷ = 26959 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (9030).

2²⁷⁰⁸⁷ is an apocalyptic number.

27087 is a deficient number, since it is larger than the sum of its proper divisors (9033).

27087 is an equidigital number, since it uses as much as digits as its factorization.

27087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 27087 is about 164.5812869071. The cubic root of 27087 is about 30.0321876750.

The spelling of 27087 in words is "twenty-seven thousand, eighty-seven".