85185417 has 8 divisors (see below), whose sum is σ = 119558560. Its totient is φ = 53801280.

The previous prime is 85185409. The next prime is 85185421. The reversal of 85185417 is 71458158.

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

It is not a de Polignac number, because 85185417 - 2³ = 85185409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85185517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747184 + ... + 747297.

It is an arithmetic number, because the mean of its divisors is an integer number (14944820).

Almost surely, 2^85185417 is an apocalyptic number.

It is an amenable number.

85185417 is a deficient number, since it is larger than the sum of its proper divisors (34373143).

85185417 is a wasteful number, since it uses less digits than its factorization.

85185417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494503.

The product of its digits is 44800, while the sum is 39.

The square root of 85185417 is about 9229.5946281513. The cubic root of 85185417 is about 440.0024397248.

It can be divided in two parts, 851 and 85417, that added together give a palindrome (86268).

The spelling of 85185417 in words is "eighty-five million, one hundred eighty-five thousand, four hundred seventeen".