2117171704 has 16 divisors (see below), whose sum is σ = 4203208800. Its totient is φ = 996316032.

The previous prime is 2117171699. The next prime is 2117171717. The reversal of 2117171704 is 4071717112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7783584 + ... + 7783855.

It is an arithmetic number, because the mean of its divisors is an integer number (262700550).

Almost surely, 2^2117171704 is an apocalyptic number.

It is an amenable number.

2117171704 is a deficient number, since it is larger than the sum of its proper divisors (2086037096).

2117171704 is a wasteful number, since it uses less digits than its factorization.

2117171704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567462 (or 15567458 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 2117171704 is about 46012.7341504501. The cubic root of 2117171704 is about 1284.0601269709.

Adding to 2117171704 its reverse (4071717112), we get a palindrome (6188888816).

The spelling of 2117171704 in words is "two billion, one hundred seventeen million, one hundred seventy-one thousand, seven hundred four".