85857153 has 16 divisors (see below), whose sum is σ = 115742016. Its totient is φ = 56609280.

The previous prime is 85857151. The next prime is 85857173. The reversal of 85857153 is 35175858.

It is a happy number.

It is not a de Polignac number, because 85857153 - 2¹ = 85857151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85857151) 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 in 15 ways as a sum of consecutive naturals, for example, 164533 + ... + 165053.

It is an arithmetic number, because the mean of its divisors is an integer number (7233876).

Almost surely, 2^85857153 is an apocalyptic number.

It is an amenable number.

85857153 is a deficient number, since it is larger than the sum of its proper divisors (29884863).

85857153 is a wasteful number, since it uses less digits than its factorization.

85857153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its digits is 168000, while the sum is 42.

The square root of 85857153 is about 9265.9135005676. The cubic root of 85857153 is about 441.1559703551.

The spelling of 85857153 in words is "eighty-five million, eight hundred fifty-seven thousand, one hundred fifty-three".