27986033 has 2 divisors, whose sum is σ = 27986034. Its totient is φ = 27986032.

The previous prime is 27986011. The next prime is 27986041. The reversal of 27986033 is 33068972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 3265249 = 4972^2 + 1807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27986033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27986003) 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 as a sum of consecutive naturals, namely, 13993016 + 13993017.

It is an arithmetic number, because the mean of its divisors is an integer number (13993017).

Almost surely, 2^27986033 is an apocalyptic number.

It is an amenable number.

27986033 is a deficient number, since it is larger than the sum of its proper divisors (1).

27986033 is an equidigital number, since it uses as much as digits as its factorization.

27986033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 27986033 is about 5290.1827000587. The cubic root of 27986033 is about 303.6083982684.

The spelling of 27986033 in words is "twenty-seven million, nine hundred eighty-six thousand, thirty-three".