27013887487 has 2 divisors, whose sum is σ = 27013887488. Its totient is φ = 27013887486.

The previous prime is 27013887449. The next prime is 27013887493. The reversal of 27013887487 is 78478831072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27013887487 - 2¹⁹ = 27013363199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27013887437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506943743 + 13506943744.

It is an arithmetic number, because the mean of its divisors is an integer number (13506943744).

Almost surely, 2^27013887487 is an apocalyptic number.

27013887487 is a deficient number, since it is larger than the sum of its proper divisors (1).

27013887487 is an equidigital number, since it uses as much as digits as its factorization.

27013887487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 27013887487 in words is "twenty-seven billion, thirteen million, eight hundred eighty-seven thousand, four hundred eighty-seven".