47005816671 has 32 divisors (see below), whose sum is σ = 76023590400. Its totient is φ = 28467901440.

The previous prime is 47005816643. The next prime is 47005816721. The reversal of 47005816671 is 17661850074.

47005816671 is a `hidden beast` number, since 4 + 7 + 0 + 0 + 581 + 6 + 67 + 1 = 666.

It is not a de Polignac number, because 47005816671 - 2¹⁸ = 47005554527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47005816621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362310 + ... + 474636.

It is an arithmetic number, because the mean of its divisors is an integer number (2375737200).

Almost surely, 2^47005816671 is an apocalyptic number.

47005816671 is a deficient number, since it is larger than the sum of its proper divisors (29017773729).

47005816671 is a wasteful number, since it uses less digits than its factorization.

47005816671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113756 (or 113750 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 47005816671 in words is "forty-seven billion, five million, eight hundred sixteen thousand, six hundred seventy-one".