47214788217 has 8 divisors (see below), whose sum is σ = 65690140224. Its totient is φ = 30107980848.

The previous prime is 47214788197. The next prime is 47214788227. The reversal of 47214788217 is 71288741274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47214788217 - 2¹² = 47214784121 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47214788217.

It is not an unprimeable number, because it can be changed into a prime (47214788227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342136078 + ... + 342136215.

It is an arithmetic number, because the mean of its divisors is an integer number (8211267528).

Almost surely, 2^47214788217 is an apocalyptic number.

It is an amenable number.

47214788217 is a deficient number, since it is larger than the sum of its proper divisors (18475352007).

47214788217 is a wasteful number, since it uses less digits than its factorization.

47214788217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684272319.

The product of its digits is 1404928, while the sum is 51.

The spelling of 47214788217 in words is "forty-seven billion, two hundred fourteen million, seven hundred eighty-eight thousand, two hundred seventeen".