86218216369 has 8 divisors (see below), whose sum is σ = 89972572032. Its totient is φ = 82464338880.

The previous prime is 86218216349. The next prime is 86218216429. The reversal of 86218216369 is 96361281268.

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

It is a cyclic number.

It is not a de Polignac number, because 86218216369 - 2¹¹ = 86218214321 is a prime.

It is a super-2 number, since 2×86218216369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86218216339) 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, 276937 + ... + 499129.

It is an arithmetic number, because the mean of its divisors is an integer number (11246571504).

Almost surely, 2^86218216369 is an apocalyptic number.

It is an amenable number.

86218216369 is a deficient number, since it is larger than the sum of its proper divisors (3754355663).

86218216369 is a wasteful number, since it uses less digits than its factorization.

86218216369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239087.

The product of its digits is 1492992, while the sum is 52.

The spelling of 86218216369 in words is "eighty-six billion, two hundred eighteen million, two hundred sixteen thousand, three hundred sixty-nine".