28552800785 has 8 divisors (see below), whose sum is σ = 34468531776. Its totient is φ = 22705460080.

The previous prime is 28552800751. The next prime is 28552800797. The reversal of 28552800785 is 58700825582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28552800785 - 2²⁶ = 28485691921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17096651 + ... + 17098320.

It is an arithmetic number, because the mean of its divisors is an integer number (4308566472).

Almost surely, 2^28552800785 is an apocalyptic number.

It is an amenable number.

28552800785 is a deficient number, since it is larger than the sum of its proper divisors (5915730991).

28552800785 is a wasteful number, since it uses less digits than its factorization.

28552800785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34195143.

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 28552800785 in words is "twenty-eight billion, five hundred fifty-two million, eight hundred thousand, seven hundred eighty-five".