47461779 has 6 divisors (see below), whose sum is σ = 68555916. Its totient is φ = 31641180.

The previous prime is 47461763. The next prime is 47461789. The reversal of 47461779 is 97716474.

47461779 is a `hidden beast` number, since 474 + 6 + 177 + 9 = 666.

47461779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47461779 - 2⁴ = 47461763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47461789) 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 5 ways as a sum of consecutive naturals, for example, 2636757 + ... + 2636774.

It is an arithmetic number, because the mean of its divisors is an integer number (11425986).

Almost surely, 2^47461779 is an apocalyptic number.

47461779 is a deficient number, since it is larger than the sum of its proper divisors (21094137).

47461779 is a wasteful number, since it uses less digits than its factorization.

47461779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273537 (or 5273534 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 47461779 is about 6889.2509752512. The cubic root of 47461779 is about 362.0606590250.

The spelling of 47461779 in words is "forty-seven million, four hundred sixty-one thousand, seven hundred seventy-nine".