728852724216 has 48 divisors (see below), whose sum is σ = 1977482412360. Its totient is φ = 242519365440.

The previous prime is 728852724121. The next prime is 728852724227. The reversal of 728852724216 is 612427258827.

It is a happy number.

728852724216 is a `hidden beast` number, since 7 + 2 + 88 + 527 + 24 + 2 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8949655 + ... + 9030726.

Almost surely, 2^728852724216 is an apocalyptic number.

It is an amenable number.

728852724216 is an abundant number, since it is smaller than the sum of its proper divisors (1248629688144).

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

728852724216 is a wasteful number, since it uses less digits than its factorization.

728852724216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980956 (or 17980949 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 728852724216 in words is "seven hundred twenty-eight billion, eight hundred fifty-two million, seven hundred twenty-four thousand, two hundred sixteen".