27677745743 has 2 divisors, whose sum is σ = 27677745744. Its totient is φ = 27677745742.

The previous prime is 27677745709. The next prime is 27677745763. The reversal of 27677745743 is 34754777672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27677745743 - 2¹⁰ = 27677744719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27677745763) 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, 13838872871 + 13838872872.

It is an arithmetic number, because the mean of its divisors is an integer number (13838872872).

Almost surely, 2^27677745743 is an apocalyptic number.

27677745743 is a deficient number, since it is larger than the sum of its proper divisors (1).

27677745743 is an equidigital number, since it uses as much as digits as its factorization.

27677745743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48404160, while the sum is 59.

The spelling of 27677745743 in words is "twenty-seven billion, six hundred seventy-seven million, seven hundred forty-five thousand, seven hundred forty-three".