8387646768 has 40 divisors (see below), whose sum is σ = 24075654000. Its totient is φ = 2795882112.

The previous prime is 8387646727. The next prime is 8387646803. The reversal of 8387646768 is 8676467838.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707493 + ... + 9708356.

It is an arithmetic number, because the mean of its divisors is an integer number (601891350).

Almost surely, 2^8387646768 is an apocalyptic number.

It is an amenable number.

8387646768 is an abundant number, since it is smaller than the sum of its proper divisors (15688007232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8387646768 is a wasteful number, since it uses less digits than its factorization.

8387646768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19415866 (or 19415854 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The square root of 8387646768 is about 91584.0966980622. The cubic root of 8387646768 is about 2031.7957342668.

The spelling of 8387646768 in words is "eight billion, three hundred eighty-seven million, six hundred forty-six thousand, seven hundred sixty-eight".