1063985887 has 2 divisors, whose sum is σ = 1063985888. Its totient is φ = 1063985886.

The previous prime is 1063985863. The next prime is 1063985899. The reversal of 1063985887 is 7885893601.

It is a strong prime.

It is an emirp because it is prime and its reverse (7885893601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1063985887 - 2¹¹ = 1063983839 is a prime.

It is a super-2 number, since 2×1063985887² = 2264131935470353538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063985827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531992943 + 531992944.

It is an arithmetic number, because the mean of its divisors is an integer number (531992944).

Almost surely, 2^1063985887 is an apocalyptic number.

1063985887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063985887 is an equidigital number, since it uses as much as digits as its factorization.

1063985887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 1063985887 is about 32618.7965289954. The cubic root of 1063985887 is about 1020.8892306355.

The spelling of 1063985887 in words is "one billion, sixty-three million, nine hundred eighty-five thousand, eight hundred eighty-seven".