7983901480 has 16 divisors (see below), whose sum is σ = 17963778420. Its totient is φ = 3193560576.

The previous prime is 7983901447. The next prime is 7983901487. The reversal of 7983901480 is 841093897.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7964134564 + 19766916 = 89242^2 + 4446^2 .

It is not an unprimeable number, because it can be changed into a prime (7983901487) 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 3 ways as a sum of consecutive naturals, for example, 99798729 + ... + 99798808.

Almost surely, 2^7983901480 is an apocalyptic number.

It is an amenable number.

7983901480 is an abundant number, since it is smaller than the sum of its proper divisors (9979876940).

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

7983901480 is a wasteful number, since it uses less digits than its factorization.

7983901480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199597548 (or 199597544 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 7983901480 is about 89352.6803179401. The cubic root of 7983901480 is about 1998.6575557900.

The spelling of 7983901480 in words is "seven billion, nine hundred eighty-three million, nine hundred one thousand, four hundred eighty".