7960518865 has 8 divisors (see below), whose sum is σ = 10287439848. Its totient is φ = 5878536960.

The previous prime is 7960518851. The next prime is 7960518869. The reversal of 7960518865 is 5688150697.

It can be written as a sum of positive squares in 4 ways, for example, as 1045099584 + 6915419281 = 32328^2 + 83159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7960518865 - 2⁹ = 7960518353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7960518869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61234696 + ... + 61234825.

It is an arithmetic number, because the mean of its divisors is an integer number (1285929981).

Almost surely, 2^7960518865 is an apocalyptic number.

It is an amenable number.

7960518865 is a deficient number, since it is larger than the sum of its proper divisors (2326920983).

7960518865 is a wasteful number, since it uses less digits than its factorization.

7960518865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122469539.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 7960518865 is about 89221.7398675906. The cubic root of 7960518865 is about 1996.7044781672.

The spelling of 7960518865 in words is "seven billion, nine hundred sixty million, five hundred eighteen thousand, eight hundred sixty-five".