8012666887 has 2 divisors, whose sum is σ = 8012666888. Its totient is φ = 8012666886.

The previous prime is 8012666863. The next prime is 8012666891. The reversal of 8012666887 is 7886662108.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8012666887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8012661887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006333443 + 4006333444.

It is an arithmetic number, because the mean of its divisors is an integer number (4006333444).

Almost surely, 2^8012666887 is an apocalyptic number.

8012666887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8012666887 is an equidigital number, since it uses as much as digits as its factorization.

8012666887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 8012666887 is about 89513.5011436822. The cubic root of 8012666887 is about 2001.0550172881.

The spelling of 8012666887 in words is "eight billion, twelve million, six hundred sixty-six thousand, eight hundred eighty-seven".