27086197 has 2 divisors, whose sum is σ = 27086198. Its totient is φ = 27086196.

The previous prime is 27086149. The next prime is 27086207. The reversal of 27086197 is 79168072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25341156 + 1745041 = 5034^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 27086197 - 2⁷ = 27086069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27086497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13543098 + 13543099.

It is an arithmetic number, because the mean of its divisors is an integer number (13543099).

Almost surely, 2^27086197 is an apocalyptic number.

It is an amenable number.

27086197 is a deficient number, since it is larger than the sum of its proper divisors (1).

27086197 is an equidigital number, since it uses as much as digits as its factorization.

27086197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 27086197 is about 5204.4401235868. The cubic root of 27086197 is about 300.3189090181.

The spelling of 27086197 in words is "twenty-seven million, eighty-six thousand, one hundred ninety-seven".