28265884033 has 16 divisors (see below), whose sum is σ = 30051313600. Its totient is φ = 26510639040.

The previous prime is 28265884019. The next prime is 28265884091. The reversal of 28265884033 is 33048856282.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28265884033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28265884133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2855110 + ... + 2864992.

It is an arithmetic number, because the mean of its divisors is an integer number (1878207100).

Almost surely, 2^28265884033 is an apocalyptic number.

It is an amenable number.

28265884033 is a deficient number, since it is larger than the sum of its proper divisors (1785429567).

28265884033 is a wasteful number, since it uses less digits than its factorization.

28265884033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11392.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 28265884033 in words is "twenty-eight billion, two hundred sixty-five million, eight hundred eighty-four thousand, thirty-three".