7976433250565 has 12 divisors (see below), whose sum is σ = 10364643443844. Its totient is φ = 5890289169024.

The previous prime is 7976433250537. The next prime is 7976433250603. The reversal of 7976433250565 is 5650523346797.

It is a Cunningham number, because it is equal to 2824258²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 3954840187684 + 4021593062881 = 1988678^2 + 2005391^2 .

It is not a de Polignac number, because 7976433250565 - 2⁶ = 7976433250501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7976433250498 and 7976433250507.

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 11 ways as a sum of consecutive naturals, for example, 4719782144 + ... + 4719783833.

It is an arithmetic number, because the mean of its divisors is an integer number (863720286987).

Almost surely, 2^{7976433250565} is an apocalyptic number.

It is an amenable number.

7976433250565 is a deficient number, since it is larger than the sum of its proper divisors (2388210193279).

7976433250565 is a wasteful number, since it uses less digits than its factorization.

7976433250565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9439566008 (or 9439565995 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 62.

The spelling of 7976433250565 in words is "seven trillion, nine hundred seventy-six billion, four hundred thirty-three million, two hundred fifty thousand, five hundred sixty-five".