28048505856 has 176 divisors, whose sum is σ = 85899325440. Its totient is φ = 7970734080.

The previous prime is 28048505833. The next prime is 28048505861. The reversal of 28048505856 is 65850584082.

It is a junction number, because it is equal to n+sod(n) for n = 28048505799 and 28048505808.

It is a congruent number.

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, 4103850 + ... + 4110678.

Almost surely, 2^28048505856 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 28048505856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42949662720).

28048505856 is an abundant number, since it is smaller than the sum of its proper divisors (57850819584).

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

28048505856 is a wasteful number, since it uses less digits than its factorization.

28048505856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 28048505856 in words is "twenty-eight billion, forty-eight million, five hundred five thousand, eight hundred fifty-six".