27088489 has 2 divisors, whose sum is σ = 27088490. Its totient is φ = 27088488.

The previous prime is 27088487. The next prime is 27088507. The reversal of 27088489 is 98488072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 12709225 = 3792^2 + 3565^2 .

It is a cyclic number.

It is not a de Polignac number, because 27088489 - 2¹ = 27088487 is a prime.

Together with 27088487, 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 (27088483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544244 + 13544245.

It is an arithmetic number, because the mean of its divisors is an integer number (13544245).

Almost surely, 2^27088489 is an apocalyptic number.

It is an amenable number.

27088489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27088489 is an equidigital number, since it uses as much as digits as its factorization.

27088489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 27088489 is about 5204.6603155249. The cubic root of 27088489 is about 300.3273796490.

The spelling of 27088489 in words is "twenty-seven million, eighty-eight thousand, four hundred eighty-nine".