47783144 has 16 divisors (see below), whose sum is σ = 93489120. Its totient is φ = 22852720.

The previous prime is 47783143. The next prime is 47783147. The reversal of 47783144 is 44138774.

47783144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47783098 and 47783107.

It is not an unprimeable number, because it can be changed into a prime (47783143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129662 + ... + 130029.

It is an arithmetic number, because the mean of its divisors is an integer number (5843070).

Almost surely, 2^47783144 is an apocalyptic number.

It is an amenable number.

47783144 is a deficient number, since it is larger than the sum of its proper divisors (45705976).

47783144 is a wasteful number, since it uses less digits than its factorization.

47783144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259720 (or 259716 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 47783144 is about 6912.5352801993. The cubic root of 47783144 is about 362.8759957610.

The spelling of 47783144 in words is "forty-seven million, seven hundred eighty-three thousand, one hundred forty-four".