47783474388 has 54 divisors (see below), whose sum is σ = 130791962574. Its totient is φ = 14702605632.

The previous prime is 47783474383. The next prime is 47783474399. The reversal of 47783474388 is 88347438774.

47783474388 is a `hidden beast` number, since 4 + 7 + 7 + 83 + 474 + 3 + 88 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2575359504 + 45208114884 = 50748^2 + 212622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47783474383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3920895 + ... + 3933062.

It is an arithmetic number, because the mean of its divisors is an integer number (2422073381).

Almost surely, 2^47783474388 is an apocalyptic number.

It is an amenable number.

47783474388 is an abundant number, since it is smaller than the sum of its proper divisors (83008488186).

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

47783474388 is a wasteful number, since it uses less digits than its factorization.

47783474388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7853993 (or 7853975 counting only the distinct ones).

The product of its digits is 101154816, while the sum is 63.

The spelling of 47783474388 in words is "forty-seven billion, seven hundred eighty-three million, four hundred seventy-four thousand, three hundred eighty-eight".