47671045847 has 4 divisors (see below), whose sum is σ = 50180048280. Its totient is φ = 45162043416.

The previous prime is 47671045823. The next prime is 47671045861. The reversal of 47671045847 is 74854017674.

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 47671045847 - 2²⁶ = 47603936983 is a prime.

It is a super-2 number, since 2×47671045847² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671045867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254501188 + ... + 1254501225.

It is an arithmetic number, because the mean of its divisors is an integer number (12545012070).

Almost surely, 2^47671045847 is an apocalyptic number.

47671045847 is a deficient number, since it is larger than the sum of its proper divisors (2509002433).

47671045847 is a wasteful number, since it uses less digits than its factorization.

47671045847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509002432.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 47671045847 in words is "forty-seven billion, six hundred seventy-one million, forty-five thousand, eight hundred forty-seven".