47284172471 has 2 divisors, whose sum is σ = 47284172472. Its totient is φ = 47284172470.

The previous prime is 47284172447. The next prime is 47284172477. The reversal of 47284172471 is 17427148274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47284172471 - 2²² = 47279978167 is a prime.

It is a super-3 number, since 3×47284172471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47284172477) 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 as a sum of consecutive naturals, namely, 23642086235 + 23642086236.

It is an arithmetic number, because the mean of its divisors is an integer number (23642086236).

Almost surely, 2^47284172471 is an apocalyptic number.

47284172471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47284172471 is an equidigital number, since it uses as much as digits as its factorization.

47284172471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 702464, while the sum is 47.

The spelling of 47284172471 in words is "forty-seven billion, two hundred eighty-four million, one hundred seventy-two thousand, four hundred seventy-one".