28275828008 has 16 divisors (see below), whose sum is σ = 54845356500. Its totient is φ = 13650399616.

The previous prime is 28275828001. The next prime is 28275828011. The reversal of 28275828008 is 80082857282.

It can be written as a sum of positive squares in 2 ways, for example, as 27629753284 + 646074724 = 166222^2 + 25418^2 .

It is not an unprimeable number, because it can be changed into a prime (28275828001) 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, 60939053 + ... + 60939516.

Almost surely, 2^28275828008 is an apocalyptic number.

It is an amenable number.

28275828008 is a deficient number, since it is larger than the sum of its proper divisors (26569528492).

28275828008 is a wasteful number, since it uses less digits than its factorization.

28275828008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121878604 (or 121878600 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 28275828008 in words is "twenty-eight billion, two hundred seventy-five million, eight hundred twenty-eight thousand, eight".