728983358566 has 16 divisors (see below), whose sum is σ = 1126954382400. Its totient is φ = 353453862888.

The previous prime is 728983358563. The next prime is 728983358641. The reversal of 728983358566 is 665853389827.

It is a junction number, because it is equal to n+sod(n) for n = 728983358495 and 728983358504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728983358563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30479236 + ... + 30503143.

It is an arithmetic number, because the mean of its divisors is an integer number (70434648900).

Almost surely, 2^728983358566 is an apocalyptic number.

728983358566 is a deficient number, since it is larger than the sum of its proper divisors (397971023834).

728983358566 is a wasteful number, since it uses less digits than its factorization.

728983358566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60982563.

The product of its digits is 522547200, while the sum is 70.

The spelling of 728983358566 in words is "seven hundred twenty-eight billion, nine hundred eighty-three million, three hundred fifty-eight thousand, five hundred sixty-six".