28356314112 has 330 divisors, whose sum is σ = 98516513502. Its totient is φ = 8100642816.

The previous prime is 28356314111. The next prime is 28356314171. The reversal of 28356314112 is 21141365382.

28356314112 is a `hidden beast` number, since 2 + 8 + 3 + 5 + 631 + 4 + 1 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20487914496 + 7868399616 = 143136^2 + 88704^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28356314111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4060768 + ... + 4067744.

Almost surely, 2^28356314112 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 28356314112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49258256751).

28356314112 is an abundant number, since it is smaller than the sum of its proper divisors (70160199390).

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

28356314112 is an equidigital number, since it uses as much as digits as its factorization.

28356314112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023 (or 6989 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 28356314112 its reverse (21141365382), we get a palindrome (49497679494).

The spelling of 28356314112 in words is "twenty-eight billion, three hundred fifty-six million, three hundred fourteen thousand, one hundred twelve".