7663113617 has 2 divisors, whose sum is σ = 7663113618. Its totient is φ = 7663113616.

The previous prime is 7663113589. The next prime is 7663113641. The reversal of 7663113617 is 7163113667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6915419281 + 747694336 = 83159^2 + 27344^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663113617 - 2⁶ = 7663113553 is a prime.

It is not a weakly prime, because it can be changed into another prime (7663113217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831556808 + 3831556809.

It is an arithmetic number, because the mean of its divisors is an integer number (3831556809).

Almost surely, 2^7663113617 is an apocalyptic number.

It is an amenable number.

7663113617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663113617 is an equidigital number, since it uses as much as digits as its factorization.

7663113617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 7663113617 is about 87539.2118824473. The cubic root of 7663113617 is about 1971.5225774656.

The spelling of 7663113617 in words is "seven billion, six hundred sixty-three million, one hundred thirteen thousand, six hundred seventeen".