27763813811 has 2 divisors, whose sum is σ = 27763813812. Its totient is φ = 27763813810.

The previous prime is 27763813793. The next prime is 27763813817. The reversal of 27763813811 is 11831836772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27763813811 - 2¹⁸ = 27763551667 is a prime.

It is not a weakly prime, because it can be changed into another prime (27763813817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13881906905 + 13881906906.

It is an arithmetic number, because the mean of its divisors is an integer number (13881906906).

Almost surely, 2^27763813811 is an apocalyptic number.

27763813811 is a deficient number, since it is larger than the sum of its proper divisors (1).

27763813811 is an equidigital number, since it uses as much as digits as its factorization.

27763813811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The spelling of 27763813811 in words is "twenty-seven billion, seven hundred sixty-three million, eight hundred thirteen thousand, eight hundred eleven".