27450880663 has 2 divisors, whose sum is σ = 27450880664. Its totient is φ = 27450880662.

The previous prime is 27450880637. The next prime is 27450880687. The reversal of 27450880663 is 36608805472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27450880663 - 2⁵ = 27450880631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27450887663) 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, 13725440331 + 13725440332.

It is an arithmetic number, because the mean of its divisors is an integer number (13725440332).

Almost surely, 2^27450880663 is an apocalyptic number.

27450880663 is a deficient number, since it is larger than the sum of its proper divisors (1).

27450880663 is an equidigital number, since it uses as much as digits as its factorization.

27450880663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 27450880663 in words is "twenty-seven billion, four hundred fifty million, eight hundred eighty thousand, six hundred sixty-three".