8000242865 has 4 divisors (see below), whose sum is σ = 9600291444. Its totient is φ = 6400194288.

The previous prime is 8000242787. The next prime is 8000242871. The reversal of 8000242865 is 5682420008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1080831376 + 6919411489 = 32876^2 + 83183^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000242865 - 2²⁸ = 7731807409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800024282 + ... + 800024291.

It is an arithmetic number, because the mean of its divisors is an integer number (2400072861).

Almost surely, 2^8000242865 is an apocalyptic number.

It is an amenable number.

8000242865 is a deficient number, since it is larger than the sum of its proper divisors (1600048579).

8000242865 is a wasteful number, since it uses less digits than its factorization.

8000242865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600048578.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8000242865 is about 89444.0767463112. The cubic root of 8000242865 is about 2000.0202385452.

The spelling of 8000242865 in words is "eight billion, two hundred forty-two thousand, eight hundred sixty-five".