728516833900 has 18 divisors (see below), whose sum is σ = 1580881529780. Its totient is φ = 291406733520.

The previous prime is 728516833879. The next prime is 728516833939. The reversal of 728516833900 is 9338615827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3642584070 + ... + 3642584269.

Almost surely, 2^728516833900 is an apocalyptic number.

It is an amenable number.

728516833900 is an abundant number, since it is smaller than the sum of its proper divisors (852364695880).

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

728516833900 is a wasteful number, since it uses less digits than its factorization.

728516833900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285168353 (or 7285168346 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 728516833900 in words is "seven hundred twenty-eight billion, five hundred sixteen million, eight hundred thirty-three thousand, nine hundred".