27080857 has 2 divisors, whose sum is σ = 27080858. Its totient is φ = 27080856.

The previous prime is 27080849. The next prime is 27080903. The reversal of 27080857 is 75808072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22505536 + 4575321 = 4744^2 + 2139^2 .

It is a cyclic number.

It is not a de Polignac number, because 27080857 - 2³ = 27080849 is a prime.

It is not a weakly prime, because it can be changed into another prime (27080057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13540428 + 13540429.

It is an arithmetic number, because the mean of its divisors is an integer number (13540429).

Almost surely, 2^27080857 is an apocalyptic number.

It is an amenable number.

27080857 is a deficient number, since it is larger than the sum of its proper divisors (1).

27080857 is an equidigital number, since it uses as much as digits as its factorization.

27080857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 27080857 is about 5203.9270748157. The cubic root of 27080857 is about 300.2991719251.

The spelling of 27080857 in words is "twenty-seven million, eighty thousand, eight hundred fifty-seven".