857063 has 8 divisors (see below), whose sum is σ = 887328. Its totient is φ = 827424.

The previous prime is 857053. The next prime is 857069. The reversal of 857063 is 360758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 857063 - 2⁴ = 857047 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (110916).

2⁸⁵⁷⁰⁶³ is an apocalyptic number.

857063 is a deficient number, since it is larger than the sum of its proper divisors (30265).

857063 is a wasteful number, since it uses less digits than its factorization.

857063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 857063 is about 925.7769709817. The cubic root of 857063 is about 94.9884750562.

The spelling of 857063 in words is "eight hundred fifty-seven thousand, sixty-three".