47312558784 has 168 divisors, whose sum is σ = 143022035520. Its totient is φ = 15503249664.

The previous prime is 47312558717. The next prime is 47312558837. The reversal of 47312558784 is 48785521374.

47312558784 is a `hidden beast` number, since 4 + 7 + 3 + 1 + 2 + 558 + 7 + 84 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47312558784.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891787 + ... + 943349.

It is an arithmetic number, because the mean of its divisors is an integer number (851321640).

Almost surely, 2^47312558784 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 47312558784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71511017760).

47312558784 is an abundant number, since it is smaller than the sum of its proper divisors (95709476736).

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

47312558784 is an equidigital number, since it uses as much as digits as its factorization.

47312558784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51649 (or 51627 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 47312558784 in words is "forty-seven billion, three hundred twelve million, five hundred fifty-eight thousand, seven hundred eighty-four".