47784116 has 6 divisors (see below), whose sum is σ = 83622210. Its totient is φ = 23892056.

The previous prime is 47784109. The next prime is 47784119. The reversal of 47784116 is 61148774.

It can be written as a sum of positive squares in only one way, i.e., 27081616 + 20702500 = 5204^2 + 4550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47784116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47784119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973011 + ... + 5973018.

It is an arithmetic number, because the mean of its divisors is an integer number (13937035).

Almost surely, 2^47784116 is an apocalyptic number.

It is an amenable number.

47784116 is a deficient number, since it is larger than the sum of its proper divisors (35838094).

47784116 is a wasteful number, since it uses less digits than its factorization.

47784116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946033 (or 11946031 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 47784116 is about 6912.6055868970. The cubic root of 47784116 is about 362.8784562736.

The spelling of 47784116 in words is "forty-seven million, seven hundred eighty-four thousand, one hundred sixteen".