27089873 has 2 divisors, whose sum is σ = 27089874. Its totient is φ = 27089872.

The previous prime is 27089861. The next prime is 27089899. The reversal of 27089873 is 37898072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24373969 + 2715904 = 4937^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 27089873 - 2⁸ = 27089617 is a prime.

It is a super-2 number, since 2×27089873² = 1467722438312258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27089173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544936 + 13544937.

It is an arithmetic number, because the mean of its divisors is an integer number (13544937).

Almost surely, 2^27089873 is an apocalyptic number.

It is an amenable number.

27089873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27089873 is an equidigital number, since it uses as much as digits as its factorization.

27089873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 27089873 is about 5204.7932715911. The cubic root of 27089873 is about 300.3324943186.

The spelling of 27089873 in words is "twenty-seven million, eighty-nine thousand, eight hundred seventy-three".