9177698636668 has 6 divisors (see below), whose sum is σ = 16060972614176. Its totient is φ = 4588849318332.

The previous prime is 9177698636647. The next prime is 9177698636741. The reversal of 9177698636668 is 8666368967719.

It is a junction number, because it is equal to n+sod(n) for n = 9177698636591 and 9177698636600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1147212329580 + ... + 1147212329587.

Almost surely, 2^{9177698636668} is an apocalyptic number.

It is an amenable number.

9177698636668 is a deficient number, since it is larger than the sum of its proper divisors (6883273977508).

9177698636668 is a wasteful number, since it uses less digits than its factorization.

9177698636668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294424659171 (or 2294424659169 counting only the distinct ones).

The product of its digits is 5925685248, while the sum is 82.

The spelling of 9177698636668 in words is "nine trillion, one hundred seventy-seven billion, six hundred ninety-eight million, six hundred thirty-six thousand, six hundred sixty-eight".