86216289 has 8 divisors (see below), whose sum is σ = 115091712. Its totient is φ = 57409200.

The previous prime is 86216269. The next prime is 86216293. The reversal of 86216289 is 98261268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86216289 - 2⁵ = 86216257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86216289.

It is not an unprimeable number, because it can be changed into a prime (86216269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14062 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (14386464).

Almost surely, 2^86216289 is an apocalyptic number.

It is an amenable number.

86216289 is a deficient number, since it is larger than the sum of its proper divisors (28875423).

86216289 is a wasteful number, since it uses less digits than its factorization.

86216289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34167.

The product of its digits is 82944, while the sum is 42.

The square root of 86216289 is about 9285.2726938954. The cubic root of 86216289 is about 441.7702255008.

The spelling of 86216289 in words is "eighty-six million, two hundred sixteen thousand, two hundred eighty-nine".