27968407763 has 2 divisors, whose sum is σ = 27968407764. Its totient is φ = 27968407762.

The previous prime is 27968407757. The next prime is 27968407799. The reversal of 27968407763 is 36770486972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27968407763 - 2⁶ = 27968407699 is a prime.

It is a super-3 number, since 3×27968407763³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27988407763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13984203881 + 13984203882.

It is an arithmetic number, because the mean of its divisors is an integer number (13984203882).

Almost surely, 2^27968407763 is an apocalyptic number.

27968407763 is a deficient number, since it is larger than the sum of its proper divisors (1).

27968407763 is an equidigital number, since it uses as much as digits as its factorization.

27968407763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 27968407763 in words is "twenty-seven billion, nine hundred sixty-eight million, four hundred seven thousand, seven hundred sixty-three".