28285080736 has 24 divisors (see below), whose sum is σ = 60748640064. Its totient is φ = 12856854720.

The previous prime is 28285080727. The next prime is 28285080751. The reversal of 28285080736 is 63708058282.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28285080736.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40177320 + ... + 40178023.

It is an arithmetic number, because the mean of its divisors is an integer number (2531193336).

Almost surely, 2^28285080736 is an apocalyptic number.

It is an amenable number.

28285080736 is an abundant number, since it is smaller than the sum of its proper divisors (32463559328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28285080736 is a wasteful number, since it uses less digits than its factorization.

28285080736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80355364 (or 80355356 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 28285080736 in words is "twenty-eight billion, two hundred eighty-five million, eighty thousand, seven hundred thirty-six".