28008882608 has 80 divisors (see below), whose sum is σ = 63165123840. Its totient is φ = 11783363328.

The previous prime is 28008882563. The next prime is 28008882613. The reversal of 28008882608 is 80628880082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192303 + ... + 2205041.

It is an arithmetic number, because the mean of its divisors is an integer number (789564048).

Almost surely, 2^28008882608 is an apocalyptic number.

28008882608 is a gapful number since it is divisible by the number (28) 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 28008882608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31582561920).

28008882608 is an abundant number, since it is smaller than the sum of its proper divisors (35156241232).

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

28008882608 is a wasteful number, since it uses less digits than its factorization.

28008882608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13114 (or 13108 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The spelling of 28008882608 in words is "twenty-eight billion, eight million, eight hundred eighty-two thousand, six hundred eight".