28796840321760 has 576 divisors, whose sum is σ = 116022757294080. Its totient is φ = 6364739358720.

The previous prime is 28796840321731. The next prime is 28796840321773. The reversal of 28796840321760 is 6712304869782.

28796840321760 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 6 + 8 + 403 + 217 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 399625894 + ... + 399697946.

It is an arithmetic number, because the mean of its divisors is an integer number (201428398080).

Almost surely, 2^{28796840321760} is an apocalyptic number.

28796840321760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28796840321760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58011378647040).

28796840321760 is an abundant number, since it is smaller than the sum of its proper divisors (87225916972320).

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

28796840321760 is a wasteful number, since it uses less digits than its factorization.

28796840321760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73391 (or 73380 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 28796840321760 in words is "twenty-eight trillion, seven hundred ninety-six billion, eight hundred forty million, three hundred twenty-one thousand, seven hundred sixty".