27089329 has 2 divisors, whose sum is σ = 27089330. Its totient is φ = 27089328.

The previous prime is 27089281. The next prime is 27089341. The reversal of 27089329 is 92398072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 11209104 = 3985^2 + 3348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27089329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27089291 and 27089300.

It is not a weakly prime, because it can be changed into another prime (27089389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544664 + 13544665.

It is an arithmetic number, because the mean of its divisors is an integer number (13544665).

Almost surely, 2^27089329 is an apocalyptic number.

It is an amenable number.

27089329 is a deficient number, since it is larger than the sum of its proper divisors (1).

27089329 is an equidigital number, since it uses as much as digits as its factorization.

27089329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 27089329 is about 5204.7410118084. The cubic root of 27089329 is about 300.3304839490.

The spelling of 27089329 in words is "twenty-seven million, eighty-nine thousand, three hundred twenty-nine".