8577931965668 has 12 divisors (see below), whose sum is σ = 16166102550780. Its totient is φ = 3959045522592.

The previous prime is 8577931965667. The next prime is 8577931965671. The reversal of 8577931965668 is 8665691397758.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 848686822564 + 7729245143104 = 921242^2 + 2780152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8577931965592 and 8577931965601.

It is not an unprimeable number, because it can be changed into a prime (8577931965667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82480115003 + ... + 82480115106.

It is an arithmetic number, because the mean of its divisors is an integer number (1347175212565).

Almost surely, 2^{8577931965668} is an apocalyptic number.

It is an amenable number.

8577931965668 is a deficient number, since it is larger than the sum of its proper divisors (7588170585112).

8577931965668 is a wasteful number, since it uses less digits than its factorization.

8577931965668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164960230126 (or 164960230124 counting only the distinct ones).

The product of its digits is 4115059200, while the sum is 80.

The spelling of 8577931965668 in words is "eight trillion, five hundred seventy-seven billion, nine hundred thirty-one million, nine hundred sixty-five thousand, six hundred sixty-eight".