27917093 has 2 divisors, whose sum is σ = 27917094. Its totient is φ = 27917092.

The previous prime is 27917083. The next prime is 27917117. The reversal of 27917093 is 39071972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 1682209 = 5122^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 27917093 - 2¹⁶ = 27851557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27917033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13958546 + 13958547.

It is an arithmetic number, because the mean of its divisors is an integer number (13958547).

Almost surely, 2^27917093 is an apocalyptic number.

It is an amenable number.

27917093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27917093 is an equidigital number, since it uses as much as digits as its factorization.

27917093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 27917093 is about 5283.6628393568. The cubic root of 27917093 is about 303.3588931755.

The spelling of 27917093 in words is "twenty-seven million, nine hundred seventeen thousand, ninety-three".