47871843 has 8 divisors (see below), whose sum is σ = 65888256. Its totient is φ = 30885000.

The previous prime is 47871841. The next prime is 47871853. The reversal of 47871843 is 34817874.

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

It is not a de Polignac number, because 47871843 - 2¹ = 47871841 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 47871795 and 47871804.

It is not an unprimeable number, because it can be changed into a prime (47871841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257283 + ... + 257468.

It is an arithmetic number, because the mean of its divisors is an integer number (8236032).

Almost surely, 2^47871843 is an apocalyptic number.

47871843 is a deficient number, since it is larger than the sum of its proper divisors (18016413).

47871843 is a wasteful number, since it uses less digits than its factorization.

47871843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514785.

The product of its digits is 150528, while the sum is 42.

The square root of 47871843 is about 6918.9481136947. The cubic root of 47871843 is about 363.1003903897.

The spelling of 47871843 in words is "forty-seven million, eight hundred seventy-one thousand, eight hundred forty-three".