85857063 has 8 divisors (see below), whose sum is σ = 114582000. Its totient is φ = 57185088.

The previous prime is 85857059. The next prime is 85857113. The reversal of 85857063 is 36075858.

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

It is not a de Polignac number, because 85857063 - 2² = 85857059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85857053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9288 + ... + 16061.

It is an arithmetic number, because the mean of its divisors is an integer number (14322750).

Almost surely, 2^85857063 is an apocalyptic number.

85857063 is a deficient number, since it is larger than the sum of its proper divisors (28724937).

85857063 is a wasteful number, since it uses less digits than its factorization.

85857063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26481.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 85857063 is about 9265.9086440564. The cubic root of 85857063 is about 441.1558162074.

The spelling of 85857063 in words is "eighty-five million, eight hundred fifty-seven thousand, sixty-three".