86047212 has 12 divisors (see below), whose sum is σ = 200776856. Its totient is φ = 28682400.

The previous prime is 86047207. The next prime is 86047223. The reversal of 86047212 is 21274068.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86047212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585289 + ... + 3585312.

Almost surely, 2^86047212 is an apocalyptic number.

It is an amenable number.

86047212 is an abundant number, since it is smaller than the sum of its proper divisors (114729644).

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

86047212 is a wasteful number, since it uses less digits than its factorization.

86047212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170608 (or 7170606 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 86047212 is about 9276.1636466807. The cubic root of 86047212 is about 441.4812543370.

The spelling of 86047212 in words is "eighty-six million, forty-seven thousand, two hundred twelve".