85086445 has 8 divisors (see below), whose sum is σ = 108109944. Its totient is φ = 64065024.

The previous prime is 85086431. The next prime is 85086451. The reversal of 85086445 is 54468058.

It can be written as a sum of positive squares in 4 ways, for example, as 33663204 + 51423241 = 5802^2 + 7171^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85086445 - 2¹¹ = 85084397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85086398 and 85086407.

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, 500424 + ... + 500593.

It is an arithmetic number, because the mean of its divisors is an integer number (13513743).

Almost surely, 2^85086445 is an apocalyptic number.

85086445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85086445 is a deficient number, since it is larger than the sum of its proper divisors (23023499).

85086445 is a wasteful number, since it uses less digits than its factorization.

85086445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001039.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 85086445 is about 9224.2314042960. The cubic root of 85086445 is about 439.8319692414.

The spelling of 85086445 in words is "eighty-five million, eighty-six thousand, four hundred forty-five".