86542212 has 24 divisors (see below), whose sum is σ = 203103936. Its totient is φ = 28679968.

The previous prime is 86542201. The next prime is 86542213. The reversal of 86542212 is 21224568.

It is a self number, because there is not a number n which added to its sum of digits gives 86542212.

It is not an unprimeable number, because it can be changed into a prime (86542213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18768 + ... + 22919.

It is an arithmetic number, because the mean of its divisors is an integer number (8462664).

Almost surely, 2^86542212 is an apocalyptic number.

It is an amenable number.

86542212 is an abundant number, since it is smaller than the sum of its proper divisors (116561724).

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

86542212 is a wasteful number, since it uses less digits than its factorization.

86542212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867 (or 41865 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 86542212 is about 9302.8066732573. The cubic root of 86542212 is about 442.3261994207.

The spelling of 86542212 in words is "eighty-six million, five hundred forty-two thousand, two hundred twelve".