8397321084 has 144 divisors (see below), whose sum is σ = 22944230400. Its totient is φ = 2655084096.

The previous prime is 8397321043. The next prime is 8397321089. The reversal of 8397321084 is 4801237938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397321089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5358069 + ... + 5359635.

Almost surely, 2^8397321084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8397321084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11472115200).

8397321084 is an abundant number, since it is smaller than the sum of its proper divisors (14546909316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8397321084 is a wasteful number, since it uses less digits than its factorization.

8397321084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1660 counting only the distinct ones).

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

The square root of 8397321084 is about 91636.8980487664. The cubic root of 8397321084 is about 2032.5765922036.

The spelling of 8397321084 in words is "eight billion, three hundred ninety-seven million, three hundred twenty-one thousand, eighty-four".