28928258176 has 256 divisors, whose sum is σ = 65435040000. Its totient is φ = 12680478720.

The previous prime is 28928258167. The next prime is 28928258209. The reversal of 28928258176 is 67185282982.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 28928258176.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265396810 + ... + 265396918.

It is an arithmetic number, because the mean of its divisors is an integer number (255605625).

Almost surely, 2^28928258176 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 28928258176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32717520000).

28928258176 is an abundant number, since it is smaller than the sum of its proper divisors (36506781824).

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

28928258176 is a wasteful number, since it uses less digits than its factorization.

28928258176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 283 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 58.

The spelling of 28928258176 in words is "twenty-eight billion, nine hundred twenty-eight million, two hundred fifty-eight thousand, one hundred seventy-six".