828128568 has 16 divisors (see below), whose sum is σ = 2070321480. Its totient is φ = 276042848.

The previous prime is 828128557. The next prime is 828128597. The reversal of 828128568 is 865821828.

It is a happy number.

828128568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17252655 + ... + 17252702.

Almost surely, 2^828128568 is an apocalyptic number.

It is an amenable number.

828128568 is an abundant number, since it is smaller than the sum of its proper divisors (1242192912).

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

828128568 is a wasteful number, since it uses less digits than its factorization.

828128568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34505366 (or 34505362 counting only the distinct ones).

The product of its digits is 491520, while the sum is 48.

The square root of 828128568 is about 28777.2230765931. The cubic root of 828128568 is about 939.0727872253.

The spelling of 828128568 in words is "eight hundred twenty-eight million, one hundred twenty-eight thousand, five hundred sixty-eight".