47666667191 has 16 divisors (see below), whose sum is σ = 57931040160. Its totient is φ = 38620686720.

The previous prime is 47666667179. The next prime is 47666667229. The reversal of 47666667191 is 19176666674.

It is not a de Polignac number, because 47666667191 - 2³⁰ = 46592925367 is a prime.

It is a super-2 number, since 2×47666667191² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47666667191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47666667121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5742980 + ... + 5751273.

It is an arithmetic number, because the mean of its divisors is an integer number (3620690010).

Almost surely, 2^47666667191 is an apocalyptic number.

47666667191 is a deficient number, since it is larger than the sum of its proper divisors (10264372969).

47666667191 is a wasteful number, since it uses less digits than its factorization.

47666667191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494306.

The product of its digits is 13716864, while the sum is 59.

The spelling of 47666667191 in words is "forty-seven billion, six hundred sixty-six million, six hundred sixty-seven thousand, one hundred ninety-one".