85044717 has 6 divisors (see below), whose sum is σ = 122842382. Its totient is φ = 56696472.

The previous prime is 85044709. The next prime is 85044719. The reversal of 85044717 is 71744058.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 54756 = 9219^2 + 234^2 .

It is not a de Polignac number, because 85044717 - 2³ = 85044709 is a prime.

It is a super-2 number, since 2×85044717² = 14465207779220178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85044719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4724698 + ... + 4724715.

Almost surely, 2^85044717 is an apocalyptic number.

It is an amenable number.

85044717 is a deficient number, since it is larger than the sum of its proper divisors (37797665).

85044717 is a wasteful number, since it uses less digits than its factorization.

85044717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449419 (or 9449416 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 85044717 is about 9221.9692582441. The cubic root of 85044717 is about 439.7600568489.

The spelling of 85044717 in words is "eighty-five million, forty-four thousand, seven hundred seventeen".