27887 has 4 divisors (see below), whose sum is σ = 28320. Its totient is φ = 27456.

The previous prime is 27883. The next prime is 27893. The reversal of 27887 is 78872.

It is a happy number.

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 27887 - 2² = 27883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 27887.

It is not an unprimeable number, because it can be changed into a prime (27883) 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 3 ways as a sum of consecutive naturals, for example, 98 + ... + 255.

It is an arithmetic number, because the mean of its divisors is an integer number (7080).

2²⁷⁸⁸⁷ is an apocalyptic number.

27887 is a deficient number, since it is larger than the sum of its proper divisors (433).

27887 is an equidigital number, since it uses as much as digits as its factorization.

27887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 6272, while the sum is 32.

The square root of 27887 is about 166.9940118687. The cubic root of 27887 is about 30.3249852915.

The spelling of 27887 in words is "twenty-seven thousand, eight hundred eighty-seven".