8009768161787 has 12 divisors (see below), whose sum is σ = 9323701299000. Its totient is φ = 6860935440576.

The previous prime is 8009768161771. The next prime is 8009768161807. The reversal of 8009768161787 is 7871618679008.

It is not a de Polignac number, because 8009768161787 - 2⁴ = 8009768161771 is a prime.

It is a super-3 number, since 3×8009768161787³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8009768161987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54451118 + ... + 54598019.

It is an arithmetic number, because the mean of its divisors is an integer number (776975108250).

Almost surely, 2^{8009768161787} is an apocalyptic number.

8009768161787 is a deficient number, since it is larger than the sum of its proper divisors (1313933137213).

8009768161787 is a wasteful number, since it uses less digits than its factorization.

8009768161787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109050650 (or 109050643 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 68.

The spelling of 8009768161787 in words is "eight trillion, nine billion, seven hundred sixty-eight million, one hundred sixty-one thousand, seven hundred eighty-seven".