3217786668620 has 48 divisors (see below), whose sum is σ = 6980098926528. Its totient is φ = 1245088846080.

The previous prime is 3217786668619. The next prime is 3217786668643. The reversal of 3217786668620 is 268666877123.

It is an unprimeable number.

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, 12439496 + ... + 12695535.

It is an arithmetic number, because the mean of its divisors is an integer number (145418727636).

Almost surely, 2^{3217786668620} is an apocalyptic number.

It is an amenable number.

3217786668620 is an abundant number, since it is smaller than the sum of its proper divisors (3762312257908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3217786668620 is a wasteful number, since it uses less digits than its factorization.

3217786668620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25135250 (or 25135248 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 3217786668620 in words is "three trillion, two hundred seventeen billion, seven hundred eighty-six million, six hundred sixty-eight thousand, six hundred twenty".