28237313000 has 128 divisors (see below), whose sum is σ = 71255358720. Its totient is φ = 10411833600.

The previous prime is 28237312997. The next prime is 28237313009. The reversal of 28237313000 is 31373282.

It is not an unprimeable number, because it can be changed into a prime (28237313009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16938167 + ... + 16939833.

It is an arithmetic number, because the mean of its divisors is an integer number (556682490).

Almost surely, 2^28237313000 is an apocalyptic number.

28237313000 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 28237313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35627679360).

28237313000 is an abundant number, since it is smaller than the sum of its proper divisors (43018045720).

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

28237313000 is a wasteful number, since it uses less digits than its factorization.

28237313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 28237313000 its reverse (31373282), we get a palindrome (28268686282).

The spelling of 28237313000 in words is "twenty-eight billion, two hundred thirty-seven million, three hundred thirteen thousand".