47799185173 has 2 divisors, whose sum is σ = 47799185174. Its totient is φ = 47799185172.

The previous prime is 47799185131. The next prime is 47799185339. The reversal of 47799185173 is 37158199774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41835793444 + 5963391729 = 204538^2 + 77223^2 .

It is a cyclic number.

It is not a de Polignac number, because 47799185173 - 2⁹ = 47799184661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47799135173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23899592586 + 23899592587.

It is an arithmetic number, because the mean of its divisors is an integer number (23899592587).

Almost surely, 2^47799185173 is an apocalyptic number.

It is an amenable number.

47799185173 is a deficient number, since it is larger than the sum of its proper divisors (1).

47799185173 is an equidigital number, since it uses as much as digits as its factorization.

47799185173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 61.

The spelling of 47799185173 in words is "forty-seven billion, seven hundred ninety-nine million, one hundred eighty-five thousand, one hundred seventy-three".