27077689 has 2 divisors, whose sum is σ = 27077690. Its totient is φ = 27077688.

The previous prime is 27077681. The next prime is 27077759. The reversal of 27077689 is 98677072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 12902464 = 3765^2 + 3592^2 .

It is a cyclic number.

It is not a de Polignac number, because 27077689 - 2³ = 27077681 is a prime.

It is not a weakly prime, because it can be changed into another prime (27077681) 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, 13538844 + 13538845.

It is an arithmetic number, because the mean of its divisors is an integer number (13538845).

Almost surely, 2^27077689 is an apocalyptic number.

It is an amenable number.

27077689 is a deficient number, since it is larger than the sum of its proper divisors (1).

27077689 is an equidigital number, since it uses as much as digits as its factorization.

27077689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 27077689 is about 5203.6226804026. The cubic root of 27077689 is about 300.2874615020.

The spelling of 27077689 in words is "twenty-seven million, seventy-seven thousand, six hundred eighty-nine".