28112287050 has 72 divisors (see below), whose sum is σ = 78812214624. Its totient is φ = 7170667680.

The previous prime is 28112287033. The next prime is 28112287051. The reversal of 28112287050 is 5078221182.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28112286996 and 28112287014.

It is not an unprimeable number, because it can be changed into a prime (28112287051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1347732 + ... + 1368431.

It is an arithmetic number, because the mean of its divisors is an integer number (1094614092).

Almost surely, 2^28112287050 is an apocalyptic number.

28112287050 is an abundant number, since it is smaller than the sum of its proper divisors (50699927574).

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

28112287050 is a wasteful number, since it uses less digits than its factorization.

28112287050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716204 (or 2716196 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 28112287050 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-seven thousand, fifty".