86085845 has 4 divisors (see below), whose sum is σ = 103303020. Its totient is φ = 68868672.

The previous prime is 86085817. The next prime is 86085859. The reversal of 86085845 is 54858068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 22819729 = 7954^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 86085845 - 2²² = 81891541 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86085796 and 86085805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608580 + ... + 8608589.

It is an arithmetic number, because the mean of its divisors is an integer number (25825755).

Almost surely, 2^86085845 is an apocalyptic number.

It is an amenable number.

86085845 is a deficient number, since it is larger than the sum of its proper divisors (17217175).

86085845 is a wasteful number, since it uses less digits than its factorization.

86085845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17217174.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 86085845 is about 9278.2457932521. The cubic root of 86085845 is about 441.5473157197.

The spelling of 86085845 in words is "eighty-six million, eighty-five thousand, eight hundred forty-five".