47279882 has 8 divisors (see below), whose sum is σ = 76375236. Its totient is φ = 21821472.

The previous prime is 47279879. The next prime is 47279887. The reversal of 47279882 is 28897274.

It is a happy number.

47279882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47183161 + 96721 = 6869^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47279887) 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, 909203 + ... + 909254.

Almost surely, 2^47279882 is an apocalyptic number.

47279882 is a deficient number, since it is larger than the sum of its proper divisors (29095354).

47279882 is a wasteful number, since it uses less digits than its factorization.

47279882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818472.

The product of its digits is 451584, while the sum is 47.

The square root of 47279882 is about 6876.0367945496. The cubic root of 47279882 is about 361.5975350698.

The spelling of 47279882 in words is "forty-seven million, two hundred seventy-nine thousand, eight hundred eighty-two".