28913837832 has 192 divisors, whose sum is σ = 90655718400. Its totient is φ = 8238468480.

The previous prime is 28913837761. The next prime is 28913837867. The reversal of 28913837832 is 23873831982.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1061293 + ... + 1088195.

It is an arithmetic number, because the mean of its divisors is an integer number (472165200).

Almost surely, 2^28913837832 is an apocalyptic number.

28913837832 is a gapful number since it is divisible by the number (22) 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 28913837832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45327859200).

28913837832 is an abundant number, since it is smaller than the sum of its proper divisors (61741880568).

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

28913837832 is a wasteful number, since it uses less digits than its factorization.

28913837832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27008 (or 27001 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 28913837832 in words is "twenty-eight billion, nine hundred thirteen million, eight hundred thirty-seven thousand, eight hundred thirty-two".