8321485647 has 16 divisors (see below), whose sum is σ = 11211090912. Its totient is φ = 5489827200.

The previous prime is 8321485607. The next prime is 8321485663. The reversal of 8321485647 is 7465841238.

It is not a de Polignac number, because 8321485647 - 2⁷ = 8321485519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8321485596 and 8321485605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8321485607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671673 + ... + 683949.

It is an arithmetic number, because the mean of its divisors is an integer number (700693182).

Almost surely, 2^8321485647 is an apocalyptic number.

8321485647 is a deficient number, since it is larger than the sum of its proper divisors (2889605265).

8321485647 is a wasteful number, since it uses less digits than its factorization.

8321485647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618.

The product of its digits is 1290240, while the sum is 48.

The square root of 8321485647 is about 91222.1773857651. The cubic root of 8321485647 is about 2026.4394092146.

It can be divided in two parts, 83214 and 85647, that added together give a palindrome (168861).

The spelling of 8321485647 in words is "eight billion, three hundred twenty-one million, four hundred eighty-five thousand, six hundred forty-seven".