47447585517312 has 432 divisors, whose sum is σ = 146327837510400. Its totient is φ = 14753388625920.

The previous prime is 47447585517287. The next prime is 47447585517403. The reversal of 47447585517312 is 21371558574474.

47447585517312 is a `hidden beast` number, since 4 + 7 + 4 + 4 + 7 + 5 + 8 + 551 + 73 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 47447585517312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1269685764 + ... + 1269723132.

Almost surely, 2^{47447585517312} 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 47447585517312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73163918755200).

47447585517312 is an abundant number, since it is smaller than the sum of its proper divisors (98880251993088).

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

47447585517312 is a wasteful number, since it uses less digits than its factorization.

47447585517312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38064 (or 38047 counting only the distinct ones).

The product of its digits is 131712000, while the sum is 63.

The spelling of 47447585517312 in words is "forty-seven trillion, four hundred forty-seven billion, five hundred eighty-five million, five hundred seventeen thousand, three hundred twelve".