28568598696 has 128 divisors (see below), whose sum is σ = 86879462400. Its totient is φ = 8626357440.

The previous prime is 28568598679. The next prime is 28568598703. The reversal of 28568598696 is 69689586582.

28568598696 is a `hidden beast` number, since 2 + 8 + 568 + 59 + 8 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 651165 + ... + 693651.

It is an arithmetic number, because the mean of its divisors is an integer number (678745800).

Almost surely, 2^28568598696 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 28568598696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43439731200).

28568598696 is an abundant number, since it is smaller than the sum of its proper divisors (58310863704).

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

28568598696 is a wasteful number, since it uses less digits than its factorization.

28568598696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42796 (or 42786 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

It can be divided in two parts, 28568 and 598696, that added together give a square (627264 = 792²).

The spelling of 28568598696 in words is "twenty-eight billion, five hundred sixty-eight million, five hundred ninety-eight thousand, six hundred ninety-six".