47220827417 has 4 divisors (see below), whose sum is σ = 47249959716. Its totient is φ = 47191695120.

The previous prime is 47220827387. The next prime is 47220827431. The reversal of 47220827417 is 71472802274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71472802274 = 2 ⋅35736401137.

It can be written as a sum of positive squares in 2 ways, for example, as 34351286281 + 12869541136 = 185341^2 + 113444^2 .

It is a cyclic number.

It is not a de Polignac number, because 47220827417 - 2²⁰ = 47219778841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47220820417) 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 3 ways as a sum of consecutive naturals, for example, 14563718 + ... + 14566959.

It is an arithmetic number, because the mean of its divisors is an integer number (11812489929).

Almost surely, 2^47220827417 is an apocalyptic number.

It is an amenable number.

47220827417 is a deficient number, since it is larger than the sum of its proper divisors (29132299).

47220827417 is a wasteful number, since it uses less digits than its factorization.

47220827417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29132298.

The product of its (nonzero) digits is 351232, while the sum is 44.

The spelling of 47220827417 in words is "forty-seven billion, two hundred twenty million, eight hundred twenty-seven thousand, four hundred seventeen".