3217772347663 has 8 divisors (see below), whose sum is σ = 3241337688432. Its totient is φ = 3194208136896.

The previous prime is 3217772347613. The next prime is 3217772347667. The reversal of 3217772347663 is 3667432777123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3217772347663 - 2¹³ = 3217772339471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3217772347598 and 3217772347607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217772347667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5932156 + ... + 6451822.

It is an arithmetic number, because the mean of its divisors is an integer number (405167211054).

Almost surely, 2^{3217772347663} is an apocalyptic number.

3217772347663 is a deficient number, since it is larger than the sum of its proper divisors (23565340769).

3217772347663 is a wasteful number, since it uses less digits than its factorization.

3217772347663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565001.

The product of its digits is 37340352, while the sum is 58.

The spelling of 3217772347663 in words is "three trillion, two hundred seventeen billion, seven hundred seventy-two million, three hundred forty-seven thousand, six hundred sixty-three".