85662012 has 24 divisors (see below), whose sum is σ = 204132096. Its totient is φ = 27946288.

The previous prime is 85662011. The next prime is 85662019. The reversal of 85662012 is 21026658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85662011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75378 + ... + 76505.

It is an arithmetic number, because the mean of its divisors is an integer number (8505504).

Almost surely, 2^85662012 is an apocalyptic number.

It is an amenable number.

85662012 is an abundant number, since it is smaller than the sum of its proper divisors (118470084).

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

85662012 is a wasteful number, since it uses less digits than its factorization.

85662012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151937 (or 151935 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 85662012 is about 9255.3774639395. The cubic root of 85662012 is about 440.8214887257.

The spelling of 85662012 in words is "eighty-five million, six hundred sixty-two thousand, twelve".