47161182847 has 4 divisors (see below), whose sum is σ = 47161967040. Its totient is φ = 47160398656.

The previous prime is 47161182839. The next prime is 47161182869. The reversal of 47161182847 is 74828116174.

It is a happy number.

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 47161182847 - 2³ = 47161182839 is a prime.

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 47161182847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47161182547) 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, 293647 + ... + 424912.

It is an arithmetic number, because the mean of its divisors is an integer number (11790491760).

Almost surely, 2^47161182847 is an apocalyptic number.

47161182847 is a deficient number, since it is larger than the sum of its proper divisors (784193).

47161182847 is an equidigital number, since it uses as much as digits as its factorization.

47161182847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784192.

The product of its digits is 602112, while the sum is 49.

The spelling of 47161182847 in words is "forty-seven billion, one hundred sixty-one million, one hundred eighty-two thousand, eight hundred forty-seven".