86199612 has 12 divisors (see below), whose sum is σ = 201132456. Its totient is φ = 28733200.

The previous prime is 86199611. The next prime is 86199647. The reversal of 86199612 is 21699168.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86199611) 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 3 ways as a sum of consecutive naturals, for example, 3591639 + ... + 3591662.

It is an arithmetic number, because the mean of its divisors is an integer number (16761038).

Almost surely, 2^86199612 is an apocalyptic number.

It is an amenable number.

86199612 is an abundant number, since it is smaller than the sum of its proper divisors (114932844).

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

86199612 is a wasteful number, since it uses less digits than its factorization.

86199612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183308 (or 7183306 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 86199612 is about 9284.3746154493. The cubic root of 86199612 is about 441.7417394795.

The spelling of 86199612 in words is "eighty-six million, one hundred ninety-nine thousand, six hundred twelve".