8728163984 has 40 divisors (see below), whose sum is σ = 17108071680. Its totient is φ = 4313299968.

The previous prime is 8728163971. The next prime is 8728164023. The reversal of 8728163984 is 4893618278.

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 in 7 ways as a sum of consecutive naturals, for example, 1298777 + ... + 1305479.

It is an arithmetic number, because the mean of its divisors is an integer number (427701792).

Almost surely, 2^8728163984 is an apocalyptic number.

It is an amenable number.

8728163984 is a deficient number, since it is larger than the sum of its proper divisors (8379907696).

8728163984 is a wasteful number, since it uses less digits than its factorization.

8728163984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7647 (or 7641 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 8728163984 is about 93424.6433442483. The cubic root of 8728163984 is about 2058.9270800801.

The spelling of 8728163984 in words is "eight billion, seven hundred twenty-eight million, one hundred sixty-three thousand, nine hundred eighty-four".