7843500738612 has 960 divisors, whose sum is σ = 28147482316800. Its totient is φ = 1841665351680.

The previous prime is 7843500738607. The next prime is 7843500738641. The reversal of 7843500738612 is 2168370053487.

It is a happy number.

7843500738612 is a `hidden beast` number, since 7 + 8 + 4 + 3 + 500 + 73 + 8 + 61 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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 319 ways as a sum of consecutive naturals, for example, 7337231214 + ... + 7337232282.

It is an arithmetic number, because the mean of its divisors is an integer number (29320294080).

Almost surely, 2^{7843500738612} 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 7843500738612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14073741158400).

7843500738612 is an abundant number, since it is smaller than the sum of its proper divisors (20303981578188).

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

7843500738612 is a wasteful number, since it uses less digits than its factorization.

7843500738612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 7843500738612 in words is "seven trillion, eight hundred forty-three billion, five hundred million, seven hundred thirty-eight thousand, six hundred twelve".