7943004847728 has 120 divisors (see below), whose sum is σ = 22297168686000. Its totient is φ = 2639600151552.

The previous prime is 7943004847717. The next prime is 7943004847733. The reversal of 7943004847728 is 8277484003497.

7943004847728 is a `hidden beast` number, since 7 + 94 + 30 + 0 + 48 + 477 + 2 + 8 = 666.

It is a super-2 number, since 2×7943004847728² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139085676 + ... + 139142772.

It is an arithmetic number, because the mean of its divisors is an integer number (185809739050).

Almost surely, 2^{7943004847728} 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 7943004847728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11148584343000).

7943004847728 is an abundant number, since it is smaller than the sum of its proper divisors (14354163838272).

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

7943004847728 is a wasteful number, since it uses less digits than its factorization.

7943004847728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60039 (or 60030 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 7943004847728 in words is "seven trillion, nine hundred forty-three billion, four million, eight hundred forty-seven thousand, seven hundred twenty-eight".