28983689352576 has 192 divisors, whose sum is σ = 95405302306080. Its totient is φ = 8273502756864.

The previous prime is 28983689352539. The next prime is 28983689352619. The reversal of 28983689352576 is 67525398638982.

28983689352576 is a `hidden beast` number, since 2 + 8 + 9 + 8 + 3 + 6 + 8 + 9 + 35 + 2 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28983689352495 and 28983689352504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7208010 + ... + 10484406.

Almost surely, 2^{28983689352576} 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 28983689352576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47702651153040).

28983689352576 is an abundant number, since it is smaller than the sum of its proper divisors (66421612953504).

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

28983689352576 is a wasteful number, since it uses less digits than its factorization.

28983689352576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277521 (or 3277506 counting only the distinct ones).

The product of its digits is 9405849600, while the sum is 81.

The spelling of 28983689352576 in words is "twenty-eight trillion, nine hundred eighty-three billion, six hundred eighty-nine million, three hundred fifty-two thousand, five hundred seventy-six".