728708469800 has 48 divisors (see below), whose sum is σ = 1733648310240. Its totient is φ = 284704701120.

The previous prime is 728708469799. The next prime is 728708469883. The reversal of 728708469800 is 8964807827.

It is a self number, because there is not a number n which added to its sum of digits gives 728708469800.

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, 42358172 + ... + 42375371.

It is an arithmetic number, because the mean of its divisors is an integer number (36117673130).

Almost surely, 2^728708469800 is an apocalyptic number.

It is an amenable number.

728708469800 is an abundant number, since it is smaller than the sum of its proper divisors (1004939840440).

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

728708469800 is a wasteful number, since it uses less digits than its factorization.

728708469800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84733602 (or 84733593 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 728708469800 in words is "seven hundred twenty-eight billion, seven hundred eight million, four hundred sixty-nine thousand, eight hundred".