28333610868 has 12 divisors (see below), whose sum is σ = 66111758720. Its totient is φ = 9444536952.

The previous prime is 28333610867. The next prime is 28333610897. The reversal of 28333610868 is 86801633382.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28333610867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180567108 + ... + 1180567131.

Almost surely, 2^28333610868 is an apocalyptic number.

It is an amenable number.

28333610868 is an abundant number, since it is smaller than the sum of its proper divisors (37778147852).

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

28333610868 is a wasteful number, since it uses less digits than its factorization.

28333610868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361134246 (or 2361134244 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 28333610868 in words is "twenty-eight billion, three hundred thirty-three million, six hundred ten thousand, eight hundred sixty-eight".