8687887868 has 12 divisors (see below), whose sum is σ = 16585967832. Its totient is φ = 3949039920.

The previous prime is 8687887811. The next prime is 8687887877.

8687887868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8687887795 and 8687887804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98725955 + ... + 98726042.

It is an arithmetic number, because the mean of its divisors is an integer number (1382163986).

Almost surely, 2^8687887868 is an apocalyptic number.

It is an amenable number.

8687887868 is a deficient number, since it is larger than the sum of its proper divisors (7898079964).

8687887868 is a wasteful number, since it uses less digits than its factorization.

8687887868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197452012 (or 197452010 counting only the distinct ones).

The product of its digits is 462422016, while the sum is 74.

The square root of 8687887868 is about 93208.8400743191. The cubic root of 8687887868 is about 2055.7552229574.

The spelling of 8687887868 in words is "eight billion, six hundred eighty-seven million, eight hundred eighty-seven thousand, eight hundred sixty-eight".