28302286716 has 216 divisors, whose sum is σ = 82751406192. Its totient is φ = 8139225600.

The previous prime is 28302286699. The next prime is 28302286723. The reversal of 28302286716 is 61768220382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6605911 + ... + 6610193.

It is an arithmetic number, because the mean of its divisors is an integer number (383108362).

Almost surely, 2^28302286716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28302286716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41375703096).

28302286716 is an abundant number, since it is smaller than the sum of its proper divisors (54449119476).

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

28302286716 is a wasteful number, since it uses less digits than its factorization.

28302286716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28302286716 in words is "twenty-eight billion, three hundred two million, two hundred eighty-six thousand, seven hundred sixteen".