85175147 has 8 divisors (see below), whose sum is σ = 87597600. Its totient is φ = 82759104.

The previous prime is 85175137. The next prime is 85175171. The reversal of 85175147 is 74157158.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85175147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85175147.

It is not an unprimeable number, because it can be changed into a prime (85175137) 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, 40754 + ... + 42792.

It is an arithmetic number, because the mean of its divisors is an integer number (10949700).

Almost surely, 2^85175147 is an apocalyptic number.

85175147 is a deficient number, since it is larger than the sum of its proper divisors (2422453).

85175147 is a wasteful number, since it uses less digits than its factorization.

85175147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its digits is 39200, while the sum is 38.

The square root of 85175147 is about 9229.0382489185. The cubic root of 85175147 is about 439.9847567033.

The spelling of 85175147 in words is "eighty-five million, one hundred seventy-five thousand, one hundred forty-seven".