8286218643 has 8 divisors (see below), whose sum is σ = 11048771008. Its totient is φ = 5523906024.

The previous prime is 8286218641. The next prime is 8286218653. The reversal of 8286218643 is 3468126828.

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

It is not a de Polignac number, because 8286218643 - 2¹ = 8286218641 is a prime.

It is a super-2 number, since 2×8286218643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8286218592 and 8286218601.

It is not an unprimeable number, because it can be changed into a prime (8286218641) 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, 48996 + ... + 137742.

It is an arithmetic number, because the mean of its divisors is an integer number (1381096376).

Almost surely, 2^8286218643 is an apocalyptic number.

8286218643 is a deficient number, since it is larger than the sum of its proper divisors (2762552365).

8286218643 is a wasteful number, since it uses less digits than its factorization.

8286218643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119873.

The product of its digits is 884736, while the sum is 48.

The square root of 8286218643 is about 91028.6693465306. The cubic root of 8286218643 is about 2023.5726276484.

The spelling of 8286218643 in words is "eight billion, two hundred eighty-six million, two hundred eighteen thousand, six hundred forty-three".