28972286696 has 64 divisors (see below), whose sum is σ = 55809855360. Its totient is φ = 14095872000.

The previous prime is 28972286671. The next prime is 28972286719. The reversal of 28972286696 is 69668227982.

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 15 ways as a sum of consecutive naturals, for example, 38070956 + ... + 38071716.

It is an arithmetic number, because the mean of its divisors is an integer number (872028990).

Almost surely, 2^28972286696 is an apocalyptic number.

It is an amenable number.

28972286696 is a deficient number, since it is larger than the sum of its proper divisors (26837568664).

28972286696 is a wasteful number, since it uses less digits than its factorization.

28972286696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The spelling of 28972286696 in words is "twenty-eight billion, nine hundred seventy-two million, two hundred eighty-six thousand, six hundred ninety-six".