28873058228 has 24 divisors (see below), whose sum is σ = 57750024192. Its totient is φ = 12373330464.

The previous prime is 28873058219. The next prime is 28873058231. The reversal of 28873058228 is 82285037882.

It is a self number, because there is not a number n which added to its sum of digits gives 28873058228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570650 + ... + 619182.

It is an arithmetic number, because the mean of its divisors is an integer number (2406251008).

Almost surely, 2^28873058228 is an apocalyptic number.

28873058228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28873058228 is an abundant number, since it is smaller than the sum of its proper divisors (28876965964).

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

28873058228 is a wasteful number, since it uses less digits than its factorization.

28873058228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69791 (or 69789 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 28873058228 in words is "twenty-eight billion, eight hundred seventy-three million, fifty-eight thousand, two hundred twenty-eight".