8669476749668 has 18 divisors (see below), whose sum is σ = 17648577669366. Its totient is φ = 3715490035488.

The previous prime is 8669476749667. The next prime is 8669476749709.

8669476749668 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 7291501277284 + 1377975472384 = 2700278^2 + 1173872^2 .

It is a super-2 number, since 2×8669476749668² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8669476749668.

It is not an unprimeable number, because it can be changed into a prime (8669476749667) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22116011921 + ... + 22116012312.

It is an arithmetic number, because the mean of its divisors is an integer number (980476537187).

Almost surely, 2^{8669476749668} is an apocalyptic number.

It is an amenable number.

8669476749668 is an abundant number, since it is smaller than the sum of its proper divisors (8979100919698).

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

8669476749668 is a wasteful number, since it uses less digits than its factorization.

8669476749668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44232024251 (or 44232024242 counting only the distinct ones).

The product of its digits is 31603654656, while the sum is 86.

The spelling of 8669476749668 in words is "eight trillion, six hundred sixty-nine billion, four hundred seventy-six million, seven hundred forty-nine thousand, six hundred sixty-eight".