8000869 has 2 divisors, whose sum is σ = 8000870. Its totient is φ = 8000868.

The previous prime is 8000831. The next prime is 8000879. The reversal of 8000869 is 9680008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 1292769 = 2590^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000869 - 2⁹ = 8000357 is a prime.

It is a super-2 number, since 2×8000869² = 128027809510322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8000869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8000809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000434 + 4000435.

It is an arithmetic number, because the mean of its divisors is an integer number (4000435).

Almost surely, 2^8000869 is an apocalyptic number.

It is an amenable number.

8000869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8000869 is an equidigital number, since it uses as much as digits as its factorization.

8000869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8000869 is about 2828.5807395229. The cubic root of 8000869 is about 200.0072414045.

The spelling of 8000869 in words is "eight million, eight hundred sixty-nine", and thus it is an aban number.