12763786528 has 24 divisors (see below), whose sum is σ = 25138158192. Its totient is φ = 6379492416.

The previous prime is 12763786487. The next prime is 12763786561. The reversal of 12763786528 is 82568736721.

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, 12951 + ... + 160297.

It is an arithmetic number, because the mean of its divisors is an integer number (1047423258).

Almost surely, 2^12763786528 is an apocalyptic number.

It is an amenable number.

12763786528 is a deficient number, since it is larger than the sum of its proper divisors (12374371664).

12763786528 is a wasteful number, since it uses less digits than its factorization.

12763786528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150064 (or 150056 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The spelling of 12763786528 in words is "twelve billion, seven hundred sixty-three million, seven hundred eighty-six thousand, five hundred twenty-eight".