7986427663127 has 2 divisors, whose sum is σ = 7986427663128. Its totient is φ = 7986427663126.

The previous prime is 7986427663103. The next prime is 7986427663157. The reversal of 7986427663127 is 7213667246897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7986427663127 - 2¹⁶ = 7986427597591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7986427663157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3993213831563 + 3993213831564.

It is an arithmetic number, because the mean of its divisors is an integer number (3993213831564).

Almost surely, 2^{7986427663127} is an apocalyptic number.

7986427663127 is a deficient number, since it is larger than the sum of its proper divisors (1).

7986427663127 is an equidigital number, since it uses as much as digits as its factorization.

7986427663127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256048128, while the sum is 68.

The spelling of 7986427663127 in words is "seven trillion, nine hundred eighty-six billion, four hundred twenty-seven million, six hundred sixty-three thousand, one hundred twenty-seven".