85163982 has 16 divisors (see below), whose sum is σ = 180347472. Its totient is φ = 26718080.

The previous prime is 85163977. The next prime is 85163987. The reversal of 85163982 is 28936158.

It is an interprime number because it is at equal distance from previous prime (85163977) and next prime (85163987).

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 not an unprimeable number, because it can be changed into a prime (85163987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417369 + ... + 417572.

It is an arithmetic number, because the mean of its divisors is an integer number (11271717).

Almost surely, 2^85163982 is an apocalyptic number.

85163982 is an abundant number, since it is smaller than the sum of its proper divisors (95183490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85163982 is a wasteful number, since it uses less digits than its factorization.

85163982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834963.

The product of its digits is 103680, while the sum is 42.

The square root of 85163982 is about 9228.4333448316. The cubic root of 85163982 is about 439.9655310464.

The spelling of 85163982 in words is "eighty-five million, one hundred sixty-three thousand, nine hundred eighty-two".