85115174 has 16 divisors (see below), whose sum is σ = 139028400. Its totient is φ = 38926944.

The previous prime is 85115171. The next prime is 85115197. The reversal of 85115174 is 47151158.

It is a self number, because there is not a number n which added to its sum of digits gives 85115174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85115171) 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, 37517 + ... + 39720.

It is an arithmetic number, because the mean of its divisors is an integer number (8689275).

Almost surely, 2^85115174 is an apocalyptic number.

85115174 is a deficient number, since it is larger than the sum of its proper divisors (53913226).

85115174 is a wasteful number, since it uses less digits than its factorization.

85115174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77287.

The product of its digits is 5600, while the sum is 32.

The square root of 85115174 is about 9225.7885299848. The cubic root of 85115174 is about 439.8814660042.

The spelling of 85115174 in words is "eighty-five million, one hundred fifteen thousand, one hundred seventy-four".