217952882873 has 8 divisors (see below), whose sum is σ = 238005275520. Its totient is φ = 197940239280.

The previous prime is 217952882863. The next prime is 217952882887. The reversal of 217952882873 is 378288259712.

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

It is a cyclic number.

It is not a de Polignac number, because 217952882873 - 2¹⁰ = 217952881849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217952882803) 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 in 7 ways as a sum of consecutive naturals, for example, 9925793 + ... + 9947726.

It is an arithmetic number, because the mean of its divisors is an integer number (29750659440).

Almost surely, 2^217952882873 is an apocalyptic number.

It is an amenable number.

217952882873 is a deficient number, since it is larger than the sum of its proper divisors (20052392647).

217952882873 is a wasteful number, since it uses less digits than its factorization.

217952882873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874527.

The product of its digits is 27095040, while the sum is 62.

The spelling of 217952882873 in words is "two hundred seventeen billion, nine hundred fifty-two million, eight hundred eighty-two thousand, eight hundred seventy-three".