28859216143 has 8 divisors (see below), whose sum is σ = 29271960576. Its totient is φ = 28446646200.

The previous prime is 28859216137. The next prime is 28859216153. The reversal of 28859216143 is 34161295882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28859216143 - 2⁹ = 28859215631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28859216153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309838 + ... + 392068.

It is an arithmetic number, because the mean of its divisors is an integer number (3658995072).

Almost surely, 2^28859216143 is an apocalyptic number.

28859216143 is a deficient number, since it is larger than the sum of its proper divisors (412744433).

28859216143 is an equidigital number, since it uses as much as digits as its factorization.

28859216143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87245.

The product of its digits is 829440, while the sum is 49.

The spelling of 28859216143 in words is "twenty-eight billion, eight hundred fifty-nine million, two hundred sixteen thousand, one hundred forty-three".