27758443666696 has 16 divisors (see below), whose sum is σ = 53453759764140. Its totient is φ = 13504107729600.

The previous prime is 27758443666687. The next prime is 27758443666697. The reversal of 27758443666696 is 69666634485772.

It can be written as a sum of positive squares in 2 ways, for example, as 18732709296900 + 9025734369796 = 4328130^2 + 3004286^2 .

It is not an unprimeable number, because it can be changed into a prime (27758443666697) 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 in 3 ways as a sum of consecutive naturals, for example, 46889262655 + ... + 46889263246.

Almost surely, 2^{27758443666696} is an apocalyptic number.

It is an amenable number.

27758443666696 is a deficient number, since it is larger than the sum of its proper divisors (25695316097444).

27758443666696 is a wasteful number, since it uses less digits than its factorization.

27758443666696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93778525944 (or 93778525940 counting only the distinct ones).

The product of its digits is 13168189440, while the sum is 79.

The spelling of 27758443666696 in words is "twenty-seven trillion, seven hundred fifty-eight billion, four hundred forty-three million, six hundred sixty-six thousand, six hundred ninety-six".