85158175 has 12 divisors (see below), whose sum is σ = 106138296. Its totient is φ = 67776800.

The previous prime is 85158173. The next prime is 85158179. The reversal of 85158175 is 57185158.

It is not a de Polignac number, because 85158175 - 2¹ = 85158173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85158173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3721 + ... + 13570.

It is an arithmetic number, because the mean of its divisors is an integer number (8844858).

Almost surely, 2^85158175 is an apocalyptic number.

85158175 is a deficient number, since it is larger than the sum of its proper divisors (20980121).

85158175 is a wasteful number, since it uses less digits than its factorization.

85158175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17498 (or 17493 counting only the distinct ones).

The product of its digits is 56000, while the sum is 40.

The square root of 85158175 is about 9228.1187140175. The cubic root of 85158175 is about 439.9555309742.

The spelling of 85158175 in words is "eighty-five million, one hundred fifty-eight thousand, one hundred seventy-five".