857343568 has 10 divisors (see below), whose sum is σ = 1661103194. Its totient is φ = 428671776.

The previous prime is 857343563. The next prime is 857343569. The reversal of 857343568 is 865343758.

It can be written as a sum of positive squares in only one way, i.e., 785568784 + 71774784 = 28028^2 + 8472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857343563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26791971 + ... + 26792002.

Almost surely, 2^857343568 is an apocalyptic number.

It is an amenable number.

857343568 is a deficient number, since it is larger than the sum of its proper divisors (803759626).

857343568 is a wasteful number, since it uses less digits than its factorization.

857343568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53583981 (or 53583975 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 857343568 is about 29280.4297782666. The cubic root of 857343568 is about 949.9883906245.

The spelling of 857343568 in words is "eight hundred fifty-seven million, three hundred forty-three thousand, five hundred sixty-eight".