8343728500 has 24 divisors (see below), whose sum is σ = 18222704136. Its totient is φ = 3337491200.

The previous prime is 8343728489. The next prime is 8343728521. The reversal of 8343728500 is 58273438.

It can be written as a sum of positive squares in 4 ways, for example, as 5116644 + 8338611856 = 2262^2 + 91316^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8343229 + ... + 8344228.

It is an arithmetic number, because the mean of its divisors is an integer number (759279339).

Almost surely, 2^8343728500 is an apocalyptic number.

It is an amenable number.

8343728500 is an abundant number, since it is smaller than the sum of its proper divisors (9878975636).

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

8343728500 is a wasteful number, since it uses less digits than its factorization.

8343728500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16687476 (or 16687464 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 8343728500 is about 91344.0118453312. The cubic root of 8343728500 is about 2028.2433216186.

The spelling of 8343728500 in words is "eight billion, three hundred forty-three million, seven hundred twenty-eight thousand, five hundred".