27044834881 has 2 divisors, whose sum is σ = 27044834882. Its totient is φ = 27044834880.

The previous prime is 27044834867. The next prime is 27044834909. The reversal of 27044834881 is 18843844072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21067071025 + 5977763856 = 145145^2 + 77316^2 .

It is a cyclic number.

It is not a de Polignac number, because 27044834881 - 2¹¹ = 27044832833 is a prime.

It is a super-2 number, since 2×27044834881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27044834801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13522417440 + 13522417441.

It is an arithmetic number, because the mean of its divisors is an integer number (13522417441).

Almost surely, 2^27044834881 is an apocalyptic number.

It is an amenable number.

27044834881 is a deficient number, since it is larger than the sum of its proper divisors (1).

27044834881 is an equidigital number, since it uses as much as digits as its factorization.

27044834881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 27044834881 in words is "twenty-seven billion, forty-four million, eight hundred thirty-four thousand, eight hundred eighty-one".