85728175 has 48 divisors (see below), whose sum is σ = 120881152. Its totient is φ = 59875200.

The previous prime is 85728157. The next prime is 85728179. The reversal of 85728175 is 57182758.

It is not a de Polignac number, because 85728175 - 2¹¹ = 85726127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85728179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 674962 + ... + 675088.

Almost surely, 2^85728175 is an apocalyptic number.

85728175 is a deficient number, since it is larger than the sum of its proper divisors (35152977).

85728175 is a wasteful number, since it uses less digits than its factorization.

85728175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The square root of 85728175 is about 9258.9510745008. The cubic root of 85728175 is about 440.9349523474.

The spelling of 85728175 in words is "eighty-five million, seven hundred twenty-eight thousand, one hundred seventy-five".