27008669 has 2 divisors, whose sum is σ = 27008670. Its totient is φ = 27008668.

The previous prime is 27008621. The next prime is 27008701. The reversal of 27008669 is 96680072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 743044 = 5125^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 27008669 - 2²⁴ = 10231453 is a prime.

It is a super-2 number, since 2×27008669² = 1458936402303122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_1683578 and since 27008669 and 1683578 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27008609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504334 + 13504335.

It is an arithmetic number, because the mean of its divisors is an integer number (13504335).

Almost surely, 2^27008669 is an apocalyptic number.

It is an amenable number.

27008669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27008669 is an equidigital number, since it uses as much as digits as its factorization.

27008669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 27008669 is about 5196.9865306733. The cubic root of 27008669 is about 300.0321039717.

The spelling of 27008669 in words is "twenty-seven million, eight thousand, six hundred sixty-nine".