7922471788512 has 192 divisors, whose sum is σ = 23892033715200. Its totient is φ = 2552333736960.

The previous prime is 7922471788507. The next prime is 7922471788531. The reversal of 7922471788512 is 2158871742297.

7922471788512 is a `hidden beast` number, since 7 + 9 + 2 + 2 + 47 + 1 + 78 + 8 + 512 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7922471788512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745289 + ... + 4835447.

It is an arithmetic number, because the mean of its divisors is an integer number (124437675600).

Almost surely, 2^{7922471788512} is an apocalyptic number.

7922471788512 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 7922471788512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11946016857600).

7922471788512 is an abundant number, since it is smaller than the sum of its proper divisors (15969561926688).

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

7922471788512 is a wasteful number, since it uses less digits than its factorization.

7922471788512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090326 (or 2090312 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The spelling of 7922471788512 in words is "seven trillion, nine hundred twenty-two billion, four hundred seventy-one million, seven hundred eighty-eight thousand, five hundred twelve".