28566248216 has 48 divisors (see below), whose sum is σ = 61433391600. Its totient is φ = 12420098240.

The previous prime is 28566248213. The next prime is 28566248233. The reversal of 28566248216 is 61284266582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28566248213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619271 + ... + 663798.

It is an arithmetic number, because the mean of its divisors is an integer number (1279862325).

Almost surely, 2^28566248216 is an apocalyptic number.

It is an amenable number.

28566248216 is an abundant number, since it is smaller than the sum of its proper divisors (32867143384).

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

28566248216 is a wasteful number, since it uses less digits than its factorization.

28566248216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283120 (or 1283105 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The spelling of 28566248216 in words is "twenty-eight billion, five hundred sixty-six million, two hundred forty-eight thousand, two hundred sixteen".