27682822691 has 2 divisors, whose sum is σ = 27682822692. Its totient is φ = 27682822690.

The previous prime is 27682822633. The next prime is 27682822723. The reversal of 27682822691 is 19622828672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27682822691 - 2¹⁰ = 27682821667 is a prime.

It is not a weakly prime, because it can be changed into another prime (27682822621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13841411345 + 13841411346.

It is an arithmetic number, because the mean of its divisors is an integer number (13841411346).

Almost surely, 2^27682822691 is an apocalyptic number.

27682822691 is a deficient number, since it is larger than the sum of its proper divisors (1).

27682822691 is an equidigital number, since it uses as much as digits as its factorization.

27682822691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The spelling of 27682822691 in words is "twenty-seven billion, six hundred eighty-two million, eight hundred twenty-two thousand, six hundred ninety-one".