7971448716 has 144 divisors (see below), whose sum is σ = 26600071680. Its totient is φ = 1948700160.

The previous prime is 7971448697. The next prime is 7971448741. The reversal of 7971448716 is 6178441797.

It is a happy 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 47 ways as a sum of consecutive naturals, for example, 37456 + ... + 131703.

It is an arithmetic number, because the mean of its divisors is an integer number (184722720).

Almost surely, 2^7971448716 is an apocalyptic number.

It is an amenable number.

7971448716 is an abundant number, since it is smaller than the sum of its proper divisors (18628622964).

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

7971448716 is a wasteful number, since it uses less digits than its factorization.

7971448716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169204 (or 169199 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 7971448716 is about 89282.9699102802. The cubic root of 7971448716 is about 1997.6178902363.

The spelling of 7971448716 in words is "seven billion, nine hundred seventy-one million, four hundred forty-eight thousand, seven hundred sixteen".