8985864887 has 2 divisors, whose sum is σ = 8985864888. Its totient is φ = 8985864886.

The previous prime is 8985864841. The next prime is 8985864893. The reversal of 8985864887 is 7884685898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8985864887 - 2¹⁰ = 8985863863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8985864887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8985864287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492932443 + 4492932444.

It is an arithmetic number, because the mean of its divisors is an integer number (4492932444).

Almost surely, 2^8985864887 is an apocalyptic number.

8985864887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8985864887 is an equidigital number, since it uses as much as digits as its factorization.

8985864887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 247726080, while the sum is 71.

The square root of 8985864887 is about 94793.8019440090. The cubic root of 8985864887 is about 2078.9942813459.

The spelling of 8985864887 in words is "eight billion, nine hundred eighty-five million, eight hundred sixty-four thousand, eight hundred eighty-seven".