28785360576 has 56 divisors (see below), whose sum is σ = 87041451520. Its totient is φ = 8224388352.

The previous prime is 28785360533. The next prime is 28785360581. The reversal of 28785360576 is 67506358782.

It is a tau number, because it is divible by the number of its divisors (56).

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, 10707496 + ... + 10710183.

Almost surely, 2^28785360576 is an apocalyptic number.

It is an amenable number.

28785360576 is an abundant number, since it is smaller than the sum of its proper divisors (58256090944).

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

28785360576 is a wasteful number, since it uses less digits than its factorization.

28785360576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417701 (or 21417691 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 28785360576 in words is "twenty-eight billion, seven hundred eighty-five million, three hundred sixty thousand, five hundred seventy-six".