27897 has 8 divisors (see below), whose sum is σ = 39456. Its totient is φ = 17472.

The previous prime is 27893. The next prime is 27901. The reversal of 27897 is 79872.

It is an interprime number because it is at equal distance from previous prime (27893) and next prime (27901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27897 - 2² = 27893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (4932).

2²⁷⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

27897 is a deficient number, since it is larger than the sum of its proper divisors (11559).

27897 is a wasteful number, since it uses less digits than its factorization.

27897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 7056, while the sum is 33.

The square root of 27897 is about 167.0239503784. The cubic root of 27897 is about 30.3286096040.

The spelling of 27897 in words is "twenty-seven thousand, eight hundred ninety-seven".