8787963663 has 24 divisors (see below), whose sum is σ = 13467903696. Its totient is φ = 5502739200.

The previous prime is 8787963661. The next prime is 8787963673. The reversal of 8787963663 is 3663697878.

It is not a de Polignac number, because 8787963663 - 2¹ = 8787963661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8787963663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8787963661) 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 in 23 ways as a sum of consecutive naturals, for example, 16633 + ... + 133613.

It is an arithmetic number, because the mean of its divisors is an integer number (561162654).

Almost surely, 2^8787963663 is an apocalyptic number.

8787963663 is a deficient number, since it is larger than the sum of its proper divisors (4679940033).

8787963663 is a wasteful number, since it uses less digits than its factorization.

8787963663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117495 (or 117492 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 8787963663 is about 93744.1393528150. The cubic root of 8787963663 is about 2063.6185233046.

The spelling of 8787963663 in words is "eight billion, seven hundred eighty-seven million, nine hundred sixty-three thousand, six hundred sixty-three".