28986230260 has 48 divisors (see below), whose sum is σ = 65688368256. Its totient is φ = 10680584832.

The previous prime is 28986230237. The next prime is 28986230267. The reversal of 28986230260 is 6203268982.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28986230260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28986230267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12159 + ... + 241081.

It is an arithmetic number, because the mean of its divisors is an integer number (1368507672).

Almost surely, 2^28986230260 is an apocalyptic number.

28986230260 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 28986230260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32844184128).

28986230260 is an abundant number, since it is smaller than the sum of its proper divisors (36702137996).

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

28986230260 is a wasteful number, since it uses less digits than its factorization.

28986230260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229432 (or 229430 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28986230260 in words is "twenty-eight billion, nine hundred eighty-six million, two hundred thirty thousand, two hundred sixty".