7987347287952 has 80 divisors (see below), whose sum is σ = 20753054576640. Its totient is φ = 2647090152576.

The previous prime is 7987347287939. The next prime is 7987347287977. The reversal of 7987347287952 is 2597827437897.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48436713 + ... + 48601335.

It is an arithmetic number, because the mean of its divisors is an integer number (259413182208).

Almost surely, 2^{7987347287952} is an apocalyptic number.

It is an amenable number.

7987347287952 is an abundant number, since it is smaller than the sum of its proper divisors (12765707288688).

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

7987347287952 is a wasteful number, since it uses less digits than its factorization.

7987347287952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170460 (or 170454 counting only the distinct ones).

The product of its digits is 2987228160, while the sum is 78.

The spelling of 7987347287952 in words is "seven trillion, nine hundred eighty-seven billion, three hundred forty-seven million, two hundred eighty-seven thousand, nine hundred fifty-two".