27982689023 has 2 divisors, whose sum is σ = 27982689024. Its totient is φ = 27982689022.

The previous prime is 27982689001. The next prime is 27982689047. The reversal of 27982689023 is 32098628972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27982689023 - 2¹² = 27982684927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27982689023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27982689083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13991344511 + 13991344512.

It is an arithmetic number, because the mean of its divisors is an integer number (13991344512).

Almost surely, 2^27982689023 is an apocalyptic number.

27982689023 is a deficient number, since it is larger than the sum of its proper divisors (1).

27982689023 is an equidigital number, since it uses as much as digits as its factorization.

27982689023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 27982689023 in words is "twenty-seven billion, nine hundred eighty-two million, six hundred eighty-nine thousand, twenty-three".