8008869866265 has 24 divisors (see below), whose sum is σ = 13890647576520. Its totient is φ = 4268749115904.

The previous prime is 8008869866243. The next prime is 8008869866269. The reversal of 8008869866265 is 5626689688008.

It can be written as a sum of positive squares in 4 ways, for example, as 671690889 + 8008198175376 = 25917^2 + 2829876^2 .

It is not a de Polignac number, because 8008869866265 - 2¹¹ = 8008869864217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8008869866193 and 8008869866202.

It is not an unprimeable number, because it can be changed into a prime (8008869866269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55096320 + ... + 55241489.

It is an arithmetic number, because the mean of its divisors is an integer number (578776982355).

Almost surely, 2^{8008869866265} is an apocalyptic number.

It is an amenable number.

8008869866265 is a deficient number, since it is larger than the sum of its proper divisors (5881777710255).

8008869866265 is a wasteful number, since it uses less digits than its factorization.

8008869866265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110339433 (or 110339430 counting only the distinct ones).

The product of its (nonzero) digits is 477757440, while the sum is 72.

The spelling of 8008869866265 in words is "eight trillion, eight billion, eight hundred sixty-nine million, eight hundred sixty-six thousand, two hundred sixty-five".