217112700471 has 8 divisors (see below), whose sum is σ = 289541668224. Its totient is φ = 144712766520.

The previous prime is 217112700443. The next prime is 217112700587. The reversal of 217112700471 is 174007211712.

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

It is a de Polignac number, because none of the positive numbers 2^k-217112700471 is a prime.

It is a super-3 number, since 3×217112700471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217112701471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7240995 + ... + 7270916.

It is an arithmetic number, because the mean of its divisors is an integer number (36192708528).

Almost surely, 2^217112700471 is an apocalyptic number.

217112700471 is a deficient number, since it is larger than the sum of its proper divisors (72428967753).

217112700471 is a wasteful number, since it uses less digits than its factorization.

217112700471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516901.

The product of its (nonzero) digits is 5488, while the sum is 33.

The spelling of 217112700471 in words is "two hundred seventeen billion, one hundred twelve million, seven hundred thousand, four hundred seventy-one".