27316897 has 2 divisors, whose sum is σ = 27316898. Its totient is φ = 27316896.

The previous prime is 27316871. The next prime is 27316903. The reversal of 27316897 is 79861372.

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., 27029601 + 287296 = 5199^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 27316897 - 2⁷ = 27316769 is a prime.

It is not a weakly prime, because it can be changed into another prime (27316867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13658448 + 13658449.

It is an arithmetic number, because the mean of its divisors is an integer number (13658449).

Almost surely, 2^27316897 is an apocalyptic number.

It is an amenable number.

27316897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27316897 is an equidigital number, since it uses as much as digits as its factorization.

27316897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 27316897 is about 5226.5568972317. The cubic root of 27316897 is about 301.1691304538.

The spelling of 27316897 in words is "twenty-seven million, three hundred sixteen thousand, eight hundred ninety-seven".