7608857749 has 2 divisors, whose sum is σ = 7608857750. Its totient is φ = 7608857748.

The previous prime is 7608857731. The next prime is 7608857761. The reversal of 7608857749 is 9477588067.

7608857749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7010712900 + 598144849 = 83730^2 + 24457^2 .

It is an emirp because it is prime and its reverse (9477588067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7608857749 - 2⁹ = 7608857237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7608857549) by changing a digit.

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 as a sum of consecutive naturals, namely, 3804428874 + 3804428875.

It is an arithmetic number, because the mean of its divisors is an integer number (3804428875).

Almost surely, 2^7608857749 is an apocalyptic number.

It is an amenable number.

7608857749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7608857749 is an equidigital number, since it uses as much as digits as its factorization.

7608857749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 61.

The square root of 7608857749 is about 87228.7667515711. The cubic root of 7608857749 is about 1966.8586719973.

The spelling of 7608857749 in words is "seven billion, six hundred eight million, eight hundred fifty-seven thousand, seven hundred forty-nine".