28321076806 has 48 divisors (see below), whose sum is σ = 47396986560. Its totient is φ = 12681068400.

The previous prime is 28321076789. The next prime is 28321076807. The reversal of 28321076806 is 60867012382.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28321076807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4403365 + ... + 4409791.

It is an arithmetic number, because the mean of its divisors is an integer number (987437220).

Almost surely, 2^28321076806 is an apocalyptic number.

28321076806 is a deficient number, since it is larger than the sum of its proper divisors (19075909754).

28321076806 is a wasteful number, since it uses less digits than its factorization.

28321076806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6710 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 28321076806 in words is "twenty-eight billion, three hundred twenty-one million, seventy-six thousand, eight hundred six".