47894775552 has 288 divisors, whose sum is σ = 153044091200. Its totient is φ = 14687059968.

The previous prime is 47894775503. The next prime is 47894775553. The reversal of 47894775552 is 25557749874.

47894775552 is a `hidden beast` number, since 4 + 7 + 8 + 9 + 4 + 7 + 75 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 47894775552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47894775553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33515574 + ... + 33517002.

Almost surely, 2^47894775552 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 47894775552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76522045600).

47894775552 is an abundant number, since it is smaller than the sum of its proper divisors (105149315648).

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

47894775552 is a wasteful number, since it uses less digits than its factorization.

47894775552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1820 counting only the distinct ones).

The product of its digits is 98784000, while the sum is 63.

The spelling of 47894775552 in words is "forty-seven billion, eight hundred ninety-four million, seven hundred seventy-five thousand, five hundred fifty-two".