27030889 has 2 divisors, whose sum is σ = 27030890. Its totient is φ = 27030888.

The previous prime is 27030881. The next prime is 27030959. The reversal of 27030889 is 98803072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14899600 + 12131289 = 3860^2 + 3483^2 .

It is a cyclic number.

It is not a de Polignac number, because 27030889 - 2³ = 27030881 is a prime.

It is not a weakly prime, because it can be changed into another prime (27030881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13515444 + 13515445.

It is an arithmetic number, because the mean of its divisors is an integer number (13515445).

Almost surely, 2^27030889 is an apocalyptic number.

It is an amenable number.

27030889 is a deficient number, since it is larger than the sum of its proper divisors (1).

27030889 is an equidigital number, since it uses as much as digits as its factorization.

27030889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27030889 is about 5199.1238684994. The cubic root of 27030889 is about 300.1143601041.

The spelling of 27030889 in words is "twenty-seven million, thirty thousand, eight hundred eighty-nine".