27936091 has 2 divisors, whose sum is σ = 27936092. Its totient is φ = 27936090.

The previous prime is 27936043. The next prime is 27936101. The reversal of 27936091 is 19063972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27936091 - 2²³ = 19547483 is a prime.

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 27936091.

It is not a weakly prime, because it can be changed into another prime (27936011) 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, 13968045 + 13968046.

It is an arithmetic number, because the mean of its divisors is an integer number (13968046).

Almost surely, 2^27936091 is an apocalyptic number.

27936091 is a deficient number, since it is larger than the sum of its proper divisors (1).

27936091 is an equidigital number, since it uses as much as digits as its factorization.

27936091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 27936091 is about 5285.4603394596. The cubic root of 27936091 is about 303.4276909957.

Adding to 27936091 its product of nonzero digits (20412), we get a triangular number (27956503 = T₇₄₇₇).

The spelling of 27936091 in words is "twenty-seven million, nine hundred thirty-six thousand, ninety-one".