8422712663 has 2 divisors, whose sum is σ = 8422712664. Its totient is φ = 8422712662.

The previous prime is 8422712629. The next prime is 8422712681. The reversal of 8422712663 is 3662172248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8422712663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8422712663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8422717663) 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, 4211356331 + 4211356332.

It is an arithmetic number, because the mean of its divisors is an integer number (4211356332).

Almost surely, 2^8422712663 is an apocalyptic number.

8422712663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422712663 is an equidigital number, since it uses as much as digits as its factorization.

8422712663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 8422712663 is about 91775.3379890262. The cubic root of 8422712663 is about 2034.6232130458.

The spelling of 8422712663 in words is "eight billion, four hundred twenty-two million, seven hundred twelve thousand, six hundred sixty-three".