85212845 has 8 divisors (see below), whose sum is σ = 102332160. Its totient is φ = 68119120.

The previous prime is 85212793. The next prime is 85212889. The reversal of 85212845 is 54821258.

It is a happy number.

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

It is not a de Polignac number, because 85212845 - 2¹⁰ = 85211821 is a prime.

It is a super-2 number, since 2×85212845² = 14522457905988050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (12791520).

Almost surely, 2^85212845 is an apocalyptic number.

It is an amenable number.

85212845 is a deficient number, since it is larger than the sum of its proper divisors (17119315).

85212845 is a wasteful number, since it uses less digits than its factorization.

85212845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795.

The product of its digits is 25600, while the sum is 35.

The square root of 85212845 is about 9231.0803809738. The cubic root of 85212845 is about 440.0496586515.

The spelling of 85212845 in words is "eighty-five million, two hundred twelve thousand, eight hundred forty-five".