728005856588 has 12 divisors (see below), whose sum is σ = 1274035948752. Its totient is φ = 363995585520.

The previous prime is 728005856569. The next prime is 728005856663. The reversal of 728005856588 is 885658500827.

It is a self number, because there is not a number n which added to its sum of digits gives 728005856588.

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 3 ways as a sum of consecutive naturals, for example, 1609520 + ... + 2011607.

It is an arithmetic number, because the mean of its divisors is an integer number (106169662396).

Almost surely, 2^728005856588 is an apocalyptic number.

It is an amenable number.

728005856588 is a deficient number, since it is larger than the sum of its proper divisors (546030092164).

728005856588 is a wasteful number, since it uses less digits than its factorization.

728005856588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671392 (or 3671390 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 62.

The spelling of 728005856588 in words is "seven hundred twenty-eight billion, five million, eight hundred fifty-six thousand, five hundred eighty-eight".