86288217 has 16 divisors (see below), whose sum is σ = 117562752. Its totient is φ = 56282240.

The previous prime is 86288197. The next prime is 86288219. The reversal of 86288217 is 71288268.

It is a cyclic number.

It is not a de Polignac number, because 86288217 - 2⁸ = 86287961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86288219) 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 15 ways as a sum of consecutive naturals, for example, 27703 + ... + 30659.

It is an arithmetic number, because the mean of its divisors is an integer number (7347672).

Almost surely, 2^86288217 is an apocalyptic number.

It is an amenable number.

86288217 is a deficient number, since it is larger than the sum of its proper divisors (31274535).

86288217 is a wasteful number, since it uses less digits than its factorization.

86288217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168.

The product of its digits is 86016, while the sum is 42.

The square root of 86288217 is about 9289.1451167478. The cubic root of 86288217 is about 441.8930438093.

The spelling of 86288217 in words is "eighty-six million, two hundred eighty-eight thousand, two hundred seventeen".