3217968756 has 48 divisors (see below), whose sum is σ = 8346479680. Its totient is φ = 1072193760.

The previous prime is 3217968749. The next prime is 3217968779. The reversal of 3217968756 is 6578697123.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323091 + ... + 332901.

Almost surely, 2^3217968756 is an apocalyptic number.

3217968756 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3217968756 is an abundant number, since it is smaller than the sum of its proper divisors (5128510924).

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

3217968756 is a wasteful number, since it uses less digits than its factorization.

3217968756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861 (or 12853 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 3217968756 is about 56727.1430269496. The cubic root of 3217968756 is about 1476.3656804306.

The spelling of 3217968756 in words is "three billion, two hundred seventeen million, nine hundred sixty-eight thousand, seven hundred fifty-six".