857568068 has 48 divisors (see below), whose sum is σ = 1766553600. Its totient is φ = 356672160.

The previous prime is 857568067. The next prime is 857568119. The reversal of 857568068 is 860865758.

857568068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (857568067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127223 + ... + 133793.

It is an arithmetic number, because the mean of its divisors is an integer number (36803200).

Almost surely, 2^857568068 is an apocalyptic number.

It is an amenable number.

857568068 is an abundant number, since it is smaller than the sum of its proper divisors (908985532).

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

857568068 is a wasteful number, since it uses less digits than its factorization.

857568068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720 (or 6718 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The square root of 857568068 is about 29284.2631459287. The cubic root of 857568068 is about 950.0713032354.

The spelling of 857568068 in words is "eight hundred fifty-seven million, five hundred sixty-eight thousand, sixty-eight".