7987343154912 has 960 divisors, whose sum is σ = 27223433233920. Its totient is φ = 2273752166400.

The previous prime is 7987343154883. The next prime is 7987343154943. The reversal of 7987343154912 is 2194513437897.

7987343154912 is a `hidden beast` number, since 7 + 9 + 8 + 73 + 4 + 3 + 1 + 549 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7987343154912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 9363825078 + ... + 9363825930.

It is an arithmetic number, because the mean of its divisors is an integer number (28357742952).

Almost surely, 2^{7987343154912} is an apocalyptic number.

7987343154912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7987343154912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13611716616960).

7987343154912 is an abundant number, since it is smaller than the sum of its proper divisors (19236090079008).

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

7987343154912 is a wasteful number, since it uses less digits than its factorization.

7987343154912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1132 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 7987343154912 in words is "seven trillion, nine hundred eighty-seven billion, three hundred forty-three million, one hundred fifty-four thousand, nine hundred twelve".