7282808865 has 24 divisors (see below), whose sum is σ = 12796466280. Its totient is φ = 3830955264.

The previous prime is 7282808861. The next prime is 7282808899. The reversal of 7282808865 is 5688082827.

It can be written as a sum of positive squares in 4 ways, for example, as 637461504 + 6645347361 = 25248^2 + 81519^2 .

It is not a de Polignac number, because 7282808865 - 2² = 7282808861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7282808861) 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, 1105210 + ... + 1111779.

It is an arithmetic number, because the mean of its divisors is an integer number (533186095).

Almost surely, 2^7282808865 is an apocalyptic number.

It is an amenable number.

7282808865 is a deficient number, since it is larger than the sum of its proper divisors (5513657415).

7282808865 is a wasteful number, since it uses less digits than its factorization.

7282808865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217073 (or 2217070 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The square root of 7282808865 is about 85339.3746461737. The cubic root of 7282808865 is about 1938.3534462246.

The spelling of 7282808865 in words is "seven billion, two hundred eighty-two million, eight hundred eight thousand, eight hundred sixty-five".