27092861 has 2 divisors, whose sum is σ = 27092862. Its totient is φ = 27092860.

The previous prime is 27092851. The next prime is 27092867. The reversal of 27092861 is 16829072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24552025 + 2540836 = 4955^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 27092861 - 2⁶ = 27092797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27092867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13546430 + 13546431.

It is an arithmetic number, because the mean of its divisors is an integer number (13546431).

Almost surely, 2^27092861 is an apocalyptic number.

It is an amenable number.

27092861 is a deficient number, since it is larger than the sum of its proper divisors (1).

27092861 is an equidigital number, since it uses as much as digits as its factorization.

27092861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 27092861 is about 5205.0803067772. The cubic root of 27092861 is about 300.3435360893.

The spelling of 27092861 in words is "twenty-seven million, ninety-two thousand, eight hundred sixty-one".