27066287 has 2 divisors, whose sum is σ = 27066288. Its totient is φ = 27066286.

The previous prime is 27066257. The next prime is 27066289. The reversal of 27066287 is 78266072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27066287 - 2¹⁸ = 26804143 is a prime.

Together with 27066289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27066287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27066289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533143 + 13533144.

It is an arithmetic number, because the mean of its divisors is an integer number (13533144).

Almost surely, 2^27066287 is an apocalyptic number.

27066287 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066287 is an equidigital number, since it uses as much as digits as its factorization.

27066287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 27066287 is about 5202.5269821501. The cubic root of 27066287 is about 300.2453067680.

The spelling of 27066287 in words is "twenty-seven million, sixty-six thousand, two hundred eighty-seven".