28232099758080 has 204 divisors, whose sum is σ = 97870542686280. Its totient is φ = 7528559149056.

The previous prime is 28232099758063. The next prime is 28232099758091. The reversal of 28232099758080 is 8085799023282.

28232099758080 is a `hidden beast` number, since 2 + 8 + 2 + 320 + 99 + 75 + 80 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28232099757999 and 28232099758017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837410 + ... + 7735649.

Almost surely, 2^{28232099758080} is an apocalyptic number.

28232099758080 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 28232099758080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48935271343140).

28232099758080 is an abundant number, since it is smaller than the sum of its proper divisors (69638442928200).

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

28232099758080 is an frugal number, since it uses more digits than its factorization.

28232099758080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573102 (or 9573069 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 28232099758080 in words is "twenty-eight trillion, two hundred thirty-two billion, ninety-nine million, seven hundred fifty-eight thousand, eighty".