7128396982 has 32 divisors (see below), whose sum is σ = 12521912832. Its totient is φ = 2979777024.

The previous prime is 7128396971. The next prime is 7128397027. The reversal of 7128396982 is 2896938217.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 439318 + ... + 455254.

It is an arithmetic number, because the mean of its divisors is an integer number (391309776).

Almost surely, 2^7128396982 is an apocalyptic number.

7128396982 is a deficient number, since it is larger than the sum of its proper divisors (5393515850).

7128396982 is a wasteful number, since it uses less digits than its factorization.

7128396982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16732.

The product of its digits is 2612736, while the sum is 55.

The square root of 7128396982 is about 84429.8346676102. The cubic root of 7128396982 is about 1924.5563249828.

The spelling of 7128396982 in words is "seven billion, one hundred twenty-eight million, three hundred ninety-six thousand, nine hundred eighty-two".