27752644811 has 2 divisors, whose sum is σ = 27752644812. Its totient is φ = 27752644810.

The previous prime is 27752644807. The next prime is 27752644847. The reversal of 27752644811 is 11844625772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27752644811 - 2² = 27752644807 is a prime.

It is not a weakly prime, because it can be changed into another prime (27752644511) 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, 13876322405 + 13876322406.

It is an arithmetic number, because the mean of its divisors is an integer number (13876322406).

Almost surely, 2^27752644811 is an apocalyptic number.

27752644811 is a deficient number, since it is larger than the sum of its proper divisors (1).

27752644811 is an equidigital number, since it uses as much as digits as its factorization.

27752644811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The spelling of 27752644811 in words is "twenty-seven billion, seven hundred fifty-two million, six hundred forty-four thousand, eight hundred eleven".