27380027 has 2 divisors, whose sum is σ = 27380028. Its totient is φ = 27380026.

The previous prime is 27380011. The next prime is 27380029. The reversal of 27380027 is 72008372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27380027 - 2⁴ = 27380011 is a prime.

Together with 27380029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27380029) 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, 13690013 + 13690014.

It is an arithmetic number, because the mean of its divisors is an integer number (13690014).

Almost surely, 2^27380027 is an apocalyptic number.

27380027 is a deficient number, since it is larger than the sum of its proper divisors (1).

27380027 is an equidigital number, since it uses as much as digits as its factorization.

27380027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 27380027 is about 5232.5927607640. The cubic root of 27380027 is about 301.4009549742.

Adding to 27380027 its reverse (72008372), we get a palindrome (99388399).

The spelling of 27380027 in words is "twenty-seven million, three hundred eighty thousand, twenty-seven".