7997483520 has 240 divisors, whose sum is σ = 29829231432. Its totient is φ = 1968537600.

The previous prime is 7997483489. The next prime is 7997483521. The reversal of 7997483520 is 253847997.

7997483520 is a `hidden beast` number, since 79 + 9 + 7 + 48 + 3 + 520 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2957619456 + 5039864064 = 54384^2 + 70992^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (7997483521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 286170 + ... + 312870.

Almost surely, 2^7997483520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7997483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14914615716).

7997483520 is an abundant number, since it is smaller than the sum of its proper divisors (21831747912).

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

7997483520 is a wasteful number, since it uses less digits than its factorization.

7997483520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26743 (or 26724 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 7997483520 is about 89428.6504426853. The cubic root of 7997483520 is about 1999.7902713410.

The spelling of 7997483520 in words is "seven billion, nine hundred ninety-seven million, four hundred eighty-three thousand, five hundred twenty".