7882668662887 has 2 divisors, whose sum is σ = 7882668662888. Its totient is φ = 7882668662886.

The previous prime is 7882668662873. The next prime is 7882668662977.

7882668662887 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7882668662887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7882668662887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7882668662867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941334331443 + 3941334331444.

It is an arithmetic number, because the mean of its divisors is an integer number (3941334331444).

Almost surely, 2^{7882668662887} is an apocalyptic number.

7882668662887 is a deficient number, since it is larger than the sum of its proper divisors (1).

7882668662887 is an equidigital number, since it uses as much as digits as its factorization.

7882668662887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8323596288, while the sum is 82.

The spelling of 7882668662887 in words is "seven trillion, eight hundred eighty-two billion, six hundred sixty-eight million, six hundred sixty-two thousand, eight hundred eighty-seven".