28320816088 has 16 divisors (see below), whose sum is σ = 54001557000. Its totient is φ = 13920400896.

The previous prime is 28320816079. The next prime is 28320816089. The reversal of 28320816088 is 88061802382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28320816089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30000393 + ... + 30001336.

Almost surely, 2^28320816088 is an apocalyptic number.

It is an amenable number.

28320816088 is a deficient number, since it is larger than the sum of its proper divisors (25680740912).

28320816088 is a wasteful number, since it uses less digits than its factorization.

28320816088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001794 (or 60001790 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 28320816088 in words is "twenty-eight billion, three hundred twenty million, eight hundred sixteen thousand, eighty-eight".