8005002775 has 24 divisors (see below), whose sum is σ = 12375529344. Its totient is φ = 4990130400.

The previous prime is 8005002769. The next prime is 8005002787. The reversal of 8005002775 is 5772005008.

It is not a de Polignac number, because 8005002775 - 2⁵ = 8005002743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8005002775.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2077297 + ... + 2081146.

It is an arithmetic number, because the mean of its divisors is an integer number (515647056).

Almost surely, 2^8005002775 is an apocalyptic number.

8005002775 is a deficient number, since it is larger than the sum of its proper divisors (4370526569).

8005002775 is a wasteful number, since it uses less digits than its factorization.

8005002775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158471 (or 4158466 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 8005002775 is about 89470.6810916291. The cubic root of 8005002775 is about 2000.4168110449.

The spelling of 8005002775 in words is "eight billion, five million, two thousand, seven hundred seventy-five".