728008888 has 8 divisors (see below), whose sum is σ = 1365016680. Its totient is φ = 364004440.

The previous prime is 728008871. The next prime is 728008913. The reversal of 728008888 is 888800827.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45500548 + ... + 45500563.

It is an arithmetic number, because the mean of its divisors is an integer number (170627085).

Almost surely, 2^728008888 is an apocalyptic number.

It is an amenable number.

728008888 is a deficient number, since it is larger than the sum of its proper divisors (637007792).

728008888 is a wasteful number, since it uses less digits than its factorization.

728008888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91001117 (or 91001113 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 49.

The square root of 728008888 is about 26981.6398315595. The cubic root of 728008888 is about 899.5919500020.

The spelling of 728008888 in words is "seven hundred twenty-eight million, eight thousand, eight hundred eighty-eight".