28826103888 has 120 divisors (see below), whose sum is σ = 82129788000. Its totient is φ = 9435555072.

The previous prime is 28826103881. The next prime is 28826103899. The reversal of 28826103888 is 88830162882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826103881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14433706 + ... + 14435702.

It is an arithmetic number, because the mean of its divisors is an integer number (684414900).

Almost surely, 2^28826103888 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 28826103888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41064894000).

28826103888 is an abundant number, since it is smaller than the sum of its proper divisors (53303684112).

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

28826103888 is a wasteful number, since it uses less digits than its factorization.

28826103888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 54.

The spelling of 28826103888 in words is "twenty-eight billion, eight hundred twenty-six million, one hundred three thousand, eight hundred eighty-eight".