27087887 has 2 divisors, whose sum is σ = 27087888. Its totient is φ = 27087886.

The previous prime is 27087877. The next prime is 27087889. The reversal of 27087887 is 78878072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27087887 - 2⁴ = 27087871 is a prime.

Together with 27087889, 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 (27087889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13543943 + 13543944.

It is an arithmetic number, because the mean of its divisors is an integer number (13543944).

Almost surely, 2^27087887 is an apocalyptic number.

27087887 is a deficient number, since it is larger than the sum of its proper divisors (1).

27087887 is an equidigital number, since it uses as much as digits as its factorization.

27087887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 351232, while the sum is 47.

The square root of 27087887 is about 5204.6024824188. The cubic root of 27087887 is about 300.3251548611.

The spelling of 27087887 in words is "twenty-seven million, eighty-seven thousand, eight hundred eighty-seven".