28859756752 has 20 divisors (see below), whose sum is σ = 55966507200. Its totient is φ = 14416787168.

The previous prime is 28859756749. The next prime is 28859756753. The reversal of 28859756752 is 25765795882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28859756753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800002 + ... + 835297.

It is an arithmetic number, because the mean of its divisors is an integer number (2798325360).

Almost surely, 2^28859756752 is an apocalyptic number.

It is an amenable number.

28859756752 is a deficient number, since it is larger than the sum of its proper divisors (27106750448).

28859756752 is a wasteful number, since it uses less digits than its factorization.

28859756752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636410 (or 1636404 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 64.

The spelling of 28859756752 in words is "twenty-eight billion, eight hundred fifty-nine million, seven hundred fifty-six thousand, seven hundred fifty-two".