857354163 has 4 divisors (see below), whose sum is σ = 1143138888. Its totient is φ = 571569440.

The previous prime is 857354161. The next prime is 857354203. The reversal of 857354163 is 361453758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 857354163 - 2¹ = 857354161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (857354161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142892358 + ... + 142892363.

It is an arithmetic number, because the mean of its divisors is an integer number (285784722).

Almost surely, 2^857354163 is an apocalyptic number.

857354163 is a deficient number, since it is larger than the sum of its proper divisors (285784725).

857354163 is a wasteful number, since it uses less digits than its factorization.

857354163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285784724.

The product of its digits is 302400, while the sum is 42.

The square root of 857354163 is about 29280.6107005984. The cubic root of 857354163 is about 949.9923039081.

It can be divided in two parts, 85735 and 4163, that added together give a palindrome (89898).

The spelling of 857354163 in words is "eight hundred fifty-seven million, three hundred fifty-four thousand, one hundred sixty-three".