768886686 has 24 divisors (see below), whose sum is σ = 1723367880. Its totient is φ = 247457616.

The previous prime is 768886673. The next prime is 768886777. The reversal of 768886686 is 686688867.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 735960 + ... + 737003.

It is an arithmetic number, because the mean of its divisors is an integer number (71806995).

Almost surely, 2^768886686 is an apocalyptic number.

768886686 is an abundant number, since it is smaller than the sum of its proper divisors (954481194).

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

768886686 is a wasteful number, since it uses less digits than its factorization.

768886686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473000 (or 1472997 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 768886686 is about 27728.8060687798. The cubic root of 768886686 is about 916.1236897799.

The spelling of 768886686 in words is "seven hundred sixty-eight million, eight hundred eighty-six thousand, six hundred eighty-six".