86268281 has 6 divisors (see below), whose sum is σ = 94823946. Its totient is φ = 78425600.

The previous prime is 86268271. The next prime is 86268289. The reversal of 86268281 is 18286268.

It can be written as a sum of positive squares in only one way, i.e., 86192656 + 75625 = 9284^2 + 275^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86268281 is a prime.

It is a super-2 number, since 2×86268281² = 14884432613389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86268289) 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 5 ways as a sum of consecutive naturals, for example, 356360 + ... + 356601.

It is an arithmetic number, because the mean of its divisors is an integer number (15803991).

Almost surely, 2^86268281 is an apocalyptic number.

It is an amenable number.

86268281 is a deficient number, since it is larger than the sum of its proper divisors (8555665).

86268281 is a wasteful number, since it uses less digits than its factorization.

86268281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712983 (or 712972 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 86268281 is about 9288.0719743120. The cubic root of 86268281 is about 441.8590095824.

The spelling of 86268281 in words is "eighty-six million, two hundred sixty-eight thousand, two hundred eighty-one".