86168085 has 16 divisors (see below), whose sum is σ = 139812480. Its totient is φ = 45308480.

The previous prime is 86168057. The next prime is 86168099. The reversal of 86168085 is 58086168.

It is not a de Polignac number, because 86168085 - 2⁷ = 86167957 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 39390 + ... + 41519.

It is an arithmetic number, because the mean of its divisors is an integer number (8738280).

Almost surely, 2^86168085 is an apocalyptic number.

It is an amenable number.

86168085 is a deficient number, since it is larger than the sum of its proper divisors (53644395).

86168085 is a wasteful number, since it uses less digits than its factorization.

86168085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80988.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 86168085 is about 9282.6766075308. The cubic root of 86168085 is about 441.6878781000.

The spelling of 86168085 in words is "eighty-six million, one hundred sixty-eight thousand, eighty-five".