47671957191 has 16 divisors (see below), whose sum is σ = 64028007648. Its totient is φ = 31549440000.

The previous prime is 47671957189. The next prime is 47671957217. The reversal of 47671957191 is 19175917674.

It is not a de Polignac number, because 47671957191 - 2¹ = 47671957189 is a prime.

It is a super-2 number, since 2×47671957191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671957691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125191 + ... + 333191.

It is an arithmetic number, because the mean of its divisors is an integer number (4001750478).

Almost surely, 2^47671957191 is an apocalyptic number.

47671957191 is a deficient number, since it is larger than the sum of its proper divisors (16356050457).

47671957191 is a wasteful number, since it uses less digits than its factorization.

47671957191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208562.

The product of its digits is 3333960, while the sum is 57.

The spelling of 47671957191 in words is "forty-seven billion, six hundred seventy-one million, nine hundred fifty-seven thousand, one hundred ninety-one".