27266089 has 2 divisors, whose sum is σ = 27266090. Its totient is φ = 27266088.

The previous prime is 27266087. The next prime is 27266111. The reversal of 27266089 is 98066272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27248400 + 17689 = 5220^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 27266089 - 2¹ = 27266087 is a prime.

Together with 27266087, 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 (27266087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13633044 + 13633045.

It is an arithmetic number, because the mean of its divisors is an integer number (13633045).

Almost surely, 2^27266089 is an apocalyptic number.

It is an amenable number.

27266089 is a deficient number, since it is larger than the sum of its proper divisors (1).

27266089 is an equidigital number, since it uses as much as digits as its factorization.

27266089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 27266089 is about 5221.6940737657. The cubic root of 27266089 is about 300.9822949597.

The spelling of 27266089 in words is "twenty-seven million, two hundred sixty-six thousand, eighty-nine".