27754441487 has 2 divisors, whose sum is σ = 27754441488. Its totient is φ = 27754441486.

The previous prime is 27754441483. The next prime is 27754441489. The reversal of 27754441487 is 78414445772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27754441487 - 2² = 27754441483 is a prime.

Together with 27754441489, 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 (27754441483) 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, 13877220743 + 13877220744.

It is an arithmetic number, because the mean of its divisors is an integer number (13877220744).

Almost surely, 2^27754441487 is an apocalyptic number.

27754441487 is a deficient number, since it is larger than the sum of its proper divisors (1).

27754441487 is an equidigital number, since it uses as much as digits as its factorization.

27754441487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7024640, while the sum is 53.

The spelling of 27754441487 in words is "twenty-seven billion, seven hundred fifty-four million, four hundred forty-one thousand, four hundred eighty-seven".