27750537743 has 2 divisors, whose sum is σ = 27750537744. Its totient is φ = 27750537742.

The previous prime is 27750537677. The next prime is 27750537767. The reversal of 27750537743 is 34773505772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27750537743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27750537691 and 27750537700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27750533743) 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, 13875268871 + 13875268872.

It is an arithmetic number, because the mean of its divisors is an integer number (13875268872).

Almost surely, 2^27750537743 is an apocalyptic number.

27750537743 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750537743 is an equidigital number, since it uses as much as digits as its factorization.

27750537743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4321800, while the sum is 50.

The spelling of 27750537743 in words is "twenty-seven billion, seven hundred fifty million, five hundred thirty-seven thousand, seven hundred forty-three".