28338567216 has 80 divisors (see below), whose sum is σ = 73705282560. Its totient is φ = 9382228480.

The previous prime is 28338567157. The next prime is 28338567259. The reversal of 28338567216 is 61276583382.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4817365 + ... + 4823243.

It is an arithmetic number, because the mean of its divisors is an integer number (921316032).

Almost surely, 2^28338567216 is an apocalyptic number.

It is an amenable number.

28338567216 is an abundant number, since it is smaller than the sum of its proper divisors (45366715344).

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

28338567216 is a wasteful number, since it uses less digits than its factorization.

28338567216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554 (or 6548 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 28338567216 in words is "twenty-eight billion, three hundred thirty-eight million, five hundred sixty-seven thousand, two hundred sixteen".