47867171 has 4 divisors (see below), whose sum is σ = 52218744. Its totient is φ = 43515600.

The previous prime is 47867161. The next prime is 47867177. The reversal of 47867171 is 17176874.

47867171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47867171 - 2¹⁸ = 47605027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47867177) 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, 2175770 + ... + 2175791.

It is an arithmetic number, because the mean of its divisors is an integer number (13054686).

Almost surely, 2^47867171 is an apocalyptic number.

47867171 is a deficient number, since it is larger than the sum of its proper divisors (4351573).

47867171 is a wasteful number, since it uses less digits than its factorization.

47867171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351572.

The product of its digits is 65856, while the sum is 41.

The square root of 47867171 is about 6918.6104818815. The cubic root of 47867171 is about 363.0885778774.

The spelling of 47867171 in words is "forty-seven million, eight hundred sixty-seven thousand, one hundred seventy-one".