3220341783987 has 6 divisors (see below), whose sum is σ = 4293793189612. Its totient is φ = 2146892450512.

The previous prime is 3220341783937. The next prime is 3220341783991. The reversal of 3220341783987 is 7893871430223.

It is not a de Polignac number, because 3220341783987 - 2⁸ = 3220341783731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220341783937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2590183 + ... + 3626255.

Almost surely, 2^{3220341783987} is an apocalyptic number.

3220341783987 is a deficient number, since it is larger than the sum of its proper divisors (1073451405625).

3220341783987 is an frugal number, since it uses more digits than its factorization.

3220341783987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072149 (or 1036076 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 3220341783987 in words is "three trillion, two hundred twenty billion, three hundred forty-one million, seven hundred eighty-three thousand, nine hundred eighty-seven".