728873383768 has 16 divisors (see below), whose sum is σ = 1378731734280. Its totient is φ = 361211587968.

The previous prime is 728873383729. The next prime is 728873383837. The reversal of 728873383768 is 867383378827.

It is a junction number, because it is equal to n+sod(n) for n = 728873383697 and 728873383706.

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, 403137030 + ... + 403138837.

Almost surely, 2^728873383768 is an apocalyptic number.

It is an amenable number.

728873383768 is a deficient number, since it is larger than the sum of its proper divisors (649858350512).

728873383768 is a wasteful number, since it uses less digits than its factorization.

728873383768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806275986 (or 806275982 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 70.

The spelling of 728873383768 in words is "seven hundred twenty-eight billion, eight hundred seventy-three million, three hundred eighty-three thousand, seven hundred sixty-eight".