28882566216 has 384 divisors, whose sum is σ = 96784896000. Its totient is φ = 7598582784.

The previous prime is 28882566179. The next prime is 28882566247. The reversal of 28882566216 is 61266528882.

It is a happy number.

28882566216 is a `hidden beast` number, since 2 + 8 + 8 + 8 + 2 + 5 + 6 + 621 + 6 = 666.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 55224531 + ... + 55225053.

It is an arithmetic number, because the mean of its divisors is an integer number (252044000).

Almost surely, 2^28882566216 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 28882566216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48392448000).

28882566216 is an abundant number, since it is smaller than the sum of its proper divisors (67902329784).

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

28882566216 is a wasteful number, since it uses less digits than its factorization.

28882566216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 706 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 28882566216 in words is "twenty-eight billion, eight hundred eighty-two million, five hundred sixty-six thousand, two hundred sixteen".