217776810282213 has 48 divisors (see below), whose sum is σ = 363761766767616. Its totient is φ = 114870432216960.

The previous prime is 217776810282151. The next prime is 217776810282217. The reversal of 217776810282213 is 312282018677712.

It is not a de Polignac number, because 217776810282213 - 2¹⁴ = 217776810265829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217776810282217) 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 47 ways as a sum of consecutive naturals, for example, 321192828 + ... + 321870138.

It is an arithmetic number, because the mean of its divisors is an integer number (7578370140992).

Almost surely, 2^{217776810282213} is an apocalyptic number.

It is an amenable number.

217776810282213 is a deficient number, since it is larger than the sum of its proper divisors (145984956485403).

217776810282213 is a wasteful number, since it uses less digits than its factorization.

217776810282213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845594 (or 845587 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 217776810282213 in words is "two hundred seventeen trillion, seven hundred seventy-six billion, eight hundred ten million, two hundred eighty-two thousand, two hundred thirteen".