28216882752 has 56 divisors (see below), whose sum is σ = 74770792800. Its totient is φ = 9391312896.

The previous prime is 28216882739. The next prime is 28216882781. The reversal of 28216882752 is 25728861282.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28216882695 and 28216882704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15024 + ... + 238032.

Almost surely, 2^28216882752 is an apocalyptic number.

It is an amenable number.

28216882752 is an abundant number, since it is smaller than the sum of its proper divisors (46553910048).

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

28216882752 is a wasteful number, since it uses less digits than its factorization.

28216882752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223683 (or 223673 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The spelling of 28216882752 in words is "twenty-eight billion, two hundred sixteen million, eight hundred eighty-two thousand, seven hundred fifty-two".