8330243728 has 20 divisors (see below), whose sum is σ = 16142767020. Its totient is φ = 4164368384.

The previous prime is 8330243699. The next prime is 8330243773. The reversal of 8330243728 is 8273420338.

It can be written as a sum of positive squares in 2 ways, for example, as 7455977104 + 874266624 = 86348^2 + 29568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50208 + ... + 138496.

It is an arithmetic number, because the mean of its divisors is an integer number (807138351).

Almost surely, 2^8330243728 is an apocalyptic number.

It is an amenable number.

8330243728 is a deficient number, since it is larger than the sum of its proper divisors (7812523292).

8330243728 is a wasteful number, since it uses less digits than its factorization.

8330243728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94194 (or 94188 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 8330243728 is about 91270.1688833761. The cubic root of 8330243728 is about 2027.1500795038.

The spelling of 8330243728 in words is "eight billion, three hundred thirty million, two hundred forty-three thousand, seven hundred twenty-eight".