563887673887 has 2 divisors, whose sum is σ = 563887673888. Its totient is φ = 563887673886.

The previous prime is 563887673851. The next prime is 563887673893. The reversal of 563887673887 is 788376788365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563887673887 - 2³¹ = 561740190239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563887673897) 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, 281943836943 + 281943836944.

It is an arithmetic number, because the mean of its divisors is an integer number (281943836944).

Almost surely, 2^563887673887 is an apocalyptic number.

563887673887 is a deficient number, since it is larger than the sum of its proper divisors (1).

563887673887 is an equidigital number, since it uses as much as digits as its factorization.

563887673887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2275983360, while the sum is 76.

The spelling of 563887673887 in words is "five hundred sixty-three billion, eight hundred eighty-seven million, six hundred seventy-three thousand, eight hundred eighty-seven".