828643068 has 48 divisors (see below), whose sum is σ = 2343640320. Its totient is φ = 251103600.

The previous prime is 828643043. The next prime is 828643091. The reversal of 828643068 is 860346828.

It is a happy number.

828643068 is a `hidden beast` number, since 82 + 86 + 430 + 68 = 666.

828643068 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 15 ways as a sum of consecutive naturals, for example, 347568 + ... + 349943.

It is an arithmetic number, because the mean of its divisors is an integer number (48825840).

Almost surely, 2^828643068 is an apocalyptic number.

It is an amenable number.

828643068 is an abundant number, since it is smaller than the sum of its proper divisors (1514997252).

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

828643068 is a wasteful number, since it uses less digits than its factorization.

828643068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697535 (or 697527 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 828643068 is about 28786.1610500601. The cubic root of 828643068 is about 939.2672227853.

The spelling of 828643068 in words is "eight hundred twenty-eight million, six hundred forty-three thousand, sixty-eight".