8343728499 has 16 divisors (see below), whose sum is σ = 11181830400. Its totient is φ = 5534124960.

The previous prime is 8343728489. The next prime is 8343728521. The reversal of 8343728499 is 9948273438.

It is not a de Polignac number, because 8343728499 - 2⁴ = 8343728483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8343728429) 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, 502177 + ... + 518525.

It is an arithmetic number, because the mean of its divisors is an integer number (698864400).

Almost surely, 2^8343728499 is an apocalyptic number.

8343728499 is a deficient number, since it is larger than the sum of its proper divisors (2838101901).

8343728499 is a wasteful number, since it uses less digits than its factorization.

8343728499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17210.

The product of its digits is 10450944, while the sum is 57.

The square root of 8343728499 is about 91344.0118398574. The cubic root of 8343728499 is about 2028.2433215376.

The spelling of 8343728499 in words is "eight billion, three hundred forty-three million, seven hundred twenty-eight thousand, four hundred ninety-nine".