28283838283 has 4 divisors (see below), whose sum is σ = 28941602008. Its totient is φ = 27626074560.

The previous prime is 28283838263. The next prime is 28283838313. The reversal of 28283838283 is 38283838282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28283838283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28283838223) 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, 328881798 + ... + 328881883.

It is an arithmetic number, because the mean of its divisors is an integer number (7235400502).

Almost surely, 2^28283838283 is an apocalyptic number.

28283838283 is a deficient number, since it is larger than the sum of its proper divisors (657763725).

28283838283 is an equidigital number, since it uses as much as digits as its factorization.

28283838283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657763724.

The product of its digits is 7077888, while the sum is 55.

Subtracting 28283838283 from its reverse (38283838282), we obtain a palindrome (9999999999).

The spelling of 28283838283 in words is "twenty-eight billion, two hundred eighty-three million, eight hundred thirty-eight thousand, two hundred eighty-three".