28076868336 has 80 divisors (see below), whose sum is σ = 79204002048. Its totient is φ = 8499724800.

The previous prime is 28076868307. The next prime is 28076868371. The reversal of 28076868336 is 63386867082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518580 + ... + 570156.

Almost surely, 2^28076868336 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 28076868336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39602001024).

28076868336 is an abundant number, since it is smaller than the sum of its proper divisors (51127133712).

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

28076868336 is a wasteful number, since it uses less digits than its factorization.

28076868336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52630 (or 52624 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 28076868336 in words is "twenty-eight billion, seventy-six million, eight hundred sixty-eight thousand, three hundred thirty-six".