27726016663 has 2 divisors, whose sum is σ = 27726016664. Its totient is φ = 27726016662.

The previous prime is 27726016651. The next prime is 27726016673. The reversal of 27726016663 is 36661062772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27726016663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27726016603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863008331 + 13863008332.

It is an arithmetic number, because the mean of its divisors is an integer number (13863008332).

Almost surely, 2^27726016663 is an apocalyptic number.

27726016663 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726016663 is an equidigital number, since it uses as much as digits as its factorization.

27726016663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 27726016663 in words is "twenty-seven billion, seven hundred twenty-six million, sixteen thousand, six hundred sixty-three".