86287164 has 12 divisors (see below), whose sum is σ = 201336744. Its totient is φ = 28762384.

The previous prime is 86287163. The next prime is 86287171. The reversal of 86287164 is 46178268.

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 (86287163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3595287 + ... + 3595310.

It is an arithmetic number, because the mean of its divisors is an integer number (16778062).

Almost surely, 2^86287164 is an apocalyptic number.

It is an amenable number.

86287164 is an abundant number, since it is smaller than the sum of its proper divisors (115049580).

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

86287164 is a wasteful number, since it uses less digits than its factorization.

86287164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190604 (or 7190602 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 86287164 is about 9289.0884375164. The cubic root of 86287164 is about 441.8912462859.

The spelling of 86287164 in words is "eighty-six million, two hundred eighty-seven thousand, one hundred sixty-four".