8193722384 has 10 divisors (see below), whose sum is σ = 15875337150. Its totient is φ = 4096861184.

The previous prime is 8193722357. The next prime is 8193722387. The reversal of 8193722384 is 4832273918.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7782768400 + 410953984 = 88220^2 + 20272^2 .

It is not an unprimeable number, because it can be changed into a prime (8193722387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256053809 + ... + 256053840.

It is an arithmetic number, because the mean of its divisors is an integer number (1587533715).

Almost surely, 2^8193722384 is an apocalyptic number.

It is an amenable number.

8193722384 is a deficient number, since it is larger than the sum of its proper divisors (7681614766).

8193722384 is a wasteful number, since it uses less digits than its factorization.

8193722384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512107657 (or 512107651 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 8193722384 is about 90519.1824090342. The cubic root of 8193722384 is about 2016.0149503909.

The spelling of 8193722384 in words is "eight billion, one hundred ninety-three million, seven hundred twenty-two thousand, three hundred eighty-four".