27932687 has 2 divisors, whose sum is σ = 27932688. Its totient is φ = 27932686.

The previous prime is 27932657. The next prime is 27932689. The reversal of 27932687 is 78623972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27932687 - 2²⁴ = 11155471 is a prime.

Together with 27932689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27932689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13966343 + 13966344.

It is an arithmetic number, because the mean of its divisors is an integer number (13966344).

Almost surely, 2^27932687 is an apocalyptic number.

27932687 is a deficient number, since it is larger than the sum of its proper divisors (1).

27932687 is an equidigital number, since it uses as much as digits as its factorization.

27932687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 27932687 is about 5285.1383141787. The cubic root of 27932687 is about 303.4153663196.

The spelling of 27932687 in words is "twenty-seven million, nine hundred thirty-two thousand, six hundred eighty-seven".