27832345526861 has 2 divisors, whose sum is σ = 27832345526862. Its totient is φ = 27832345526860.

The previous prime is 27832345526851. The next prime is 27832345526981. The reversal of 27832345526861 is 16862554323872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24465784764100 + 3366560762761 = 4946290^2 + 1834819^2 .

It is a cyclic number.

It is not a de Polignac number, because 27832345526861 - 2³⁸ = 27557467619917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27832345526794 and 27832345526803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27832345526801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13916172763430 + 13916172763431.

It is an arithmetic number, because the mean of its divisors is an integer number (13916172763431).

Almost surely, 2^{27832345526861} is an apocalyptic number.

It is an amenable number.

27832345526861 is a deficient number, since it is larger than the sum of its proper divisors (1).

27832345526861 is an equidigital number, since it uses as much as digits as its factorization.

27832345526861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 62.

The spelling of 27832345526861 in words is "twenty-seven trillion, eight hundred thirty-two billion, three hundred forty-five million, five hundred twenty-six thousand, eight hundred sixty-one".