47867991171 has 96 divisors (see below), whose sum is σ = 89254142208. Its totient is φ = 22419452160.

The previous prime is 47867991169. The next prime is 47867991191. The reversal of 47867991171 is 17119976874.

It is not a de Polignac number, because 47867991171 - 2¹ = 47867991169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47867991191) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 877425 + ... + 930381.

It is an arithmetic number, because the mean of its divisors is an integer number (929730648).

Almost surely, 2^47867991171 is an apocalyptic number.

47867991171 is a deficient number, since it is larger than the sum of its proper divisors (41386151037).

47867991171 is a wasteful number, since it uses less digits than its factorization.

47867991171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53041 (or 53034 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 60.

The spelling of 47867991171 in words is "forty-seven billion, eight hundred sixty-seven million, nine hundred ninety-one thousand, one hundred seventy-one".