688328642211 has 16 divisors (see below), whose sum is σ = 1054741420800. Its totient is φ = 391133272608.

The previous prime is 688328642203. The next prime is 688328642213. The reversal of 688328642211 is 112246823886.

It is not a de Polignac number, because 688328642211 - 2³ = 688328642203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (688328642213) 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 15 ways as a sum of consecutive naturals, for example, 91553656 + ... + 91561173.

It is an arithmetic number, because the mean of its divisors is an integer number (65921338800).

Almost surely, 2^688328642211 is an apocalyptic number.

688328642211 is a deficient number, since it is larger than the sum of its proper divisors (366412778589).

688328642211 is a wasteful number, since it uses less digits than its factorization.

688328642211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183115018.

The product of its digits is 1769472, while the sum is 51.

The spelling of 688328642211 in words is "six hundred eighty-eight billion, three hundred twenty-eight million, six hundred forty-two thousand, two hundred eleven".