27012738287 has 2 divisors, whose sum is σ = 27012738288. Its totient is φ = 27012738286.

The previous prime is 27012738229. The next prime is 27012738289. The reversal of 27012738287 is 78283721072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27012738287 - 2⁶ = 27012738223 is a prime.

Together with 27012738289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27012738289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506369143 + 13506369144.

It is an arithmetic number, because the mean of its divisors is an integer number (13506369144).

Almost surely, 2^27012738287 is an apocalyptic number.

27012738287 is a deficient number, since it is larger than the sum of its proper divisors (1).

27012738287 is an equidigital number, since it uses as much as digits as its factorization.

27012738287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 27012738287 in words is "twenty-seven billion, twelve million, seven hundred thirty-eight thousand, two hundred eighty-seven".