1177370978671 has 2 divisors, whose sum is σ = 1177370978672. Its totient is φ = 1177370978670.

The previous prime is 1177370978633. The next prime is 1177370978699. The reversal of 1177370978671 is 1768790737711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1177370978671 - 2⁷ = 1177370978543 is a prime.

It is a super-3 number, since 3×1177370978671³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1177370973671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 588685489335 + 588685489336.

It is an arithmetic number, because the mean of its divisors is an integer number (588685489336).

Almost surely, 2^{1177370978671} is an apocalyptic number.

1177370978671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1177370978671 is an equidigital number, since it uses as much as digits as its factorization.

1177370978671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21781872, while the sum is 64.

The spelling of 1177370978671 in words is "one trillion, one hundred seventy-seven billion, three hundred seventy million, nine hundred seventy-eight thousand, six hundred seventy-one".