1177370978668 has 12 divisors (see below), whose sum is σ = 2060438981272. Its totient is φ = 588674126880.

The previous prime is 1177370978633. The next prime is 1177370978671. The reversal of 1177370978668 is 8668790737711.

It is a super-2 number, since 2×1177370978668² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1177370978597 and 1177370978606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2605305 + ... + 3023632.

Almost surely, 2^{1177370978668} is an apocalyptic number.

It is an amenable number.

1177370978668 is a deficient number, since it is larger than the sum of its proper divisors (883068002604).

1177370978668 is a wasteful number, since it uses less digits than its factorization.

1177370978668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681232 (or 5681230 counting only the distinct ones).

The product of its (nonzero) digits is 149361408, while the sum is 70.

The spelling of 1177370978668 in words is "one trillion, one hundred seventy-seven billion, three hundred seventy million, nine hundred seventy-eight thousand, six hundred sixty-eight".