28793325312 has 180 divisors, whose sum is σ = 86009394240. Its totient is φ = 9580695552.

The previous prime is 28793325311. The next prime is 28793325349. The reversal of 28793325312 is 21352339782.

28793325312 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 3 + 325 + 312 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28793325311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17894364 + ... + 17895972.

It is an arithmetic number, because the mean of its divisors is an integer number (477829968).

Almost surely, 2^28793325312 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 28793325312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43004697120).

28793325312 is an abundant number, since it is smaller than the sum of its proper divisors (57216068928).

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

28793325312 is an equidigital number, since it uses as much as digits as its factorization.

28793325312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2477 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 28793325312 in words is "twenty-eight billion, seven hundred ninety-three million, three hundred twenty-five thousand, three hundred twelve".