86327289 has 20 divisors (see below), whose sum is σ = 130891024. Its totient is φ = 56688984.

The previous prime is 86327249. The next prime is 86327323. The reversal of 86327289 is 98272368.

86327289 is a `hidden beast` number, since 8 + 632 + 7 + 2 + 8 + 9 = 666.

It is not a de Polignac number, because 86327289 - 2²⁵ = 52772857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86327249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2527 + ... + 13380.

Almost surely, 2^86327289 is an apocalyptic number.

It is an amenable number.

86327289 is a deficient number, since it is larger than the sum of its proper divisors (44563735).

86327289 is a wasteful number, since it uses less digits than its factorization.

86327289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15986 (or 15977 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86327289 is about 9291.2479786087. The cubic root of 86327289 is about 441.9597313218.

The spelling of 86327289 in words is "eighty-six million, three hundred twenty-seven thousand, two hundred eighty-nine".