27055105087 has 2 divisors, whose sum is σ = 27055105088. Its totient is φ = 27055105086.

The previous prime is 27055105019. The next prime is 27055105171. The reversal of 27055105087 is 78050155072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27055105087 - 2¹¹ = 27055103039 is a prime.

It is a super-2 number, since 2×27055105087² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27055105387) 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, 13527552543 + 13527552544.

It is an arithmetic number, because the mean of its divisors is an integer number (13527552544).

Almost surely, 2^27055105087 is an apocalyptic number.

27055105087 is a deficient number, since it is larger than the sum of its proper divisors (1).

27055105087 is an equidigital number, since it uses as much as digits as its factorization.

27055105087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98000, while the sum is 40.

The spelling of 27055105087 in words is "twenty-seven billion, fifty-five million, one hundred five thousand, eighty-seven".