7608927661 has 2 divisors, whose sum is σ = 7608927662. Its totient is φ = 7608927660.

The previous prime is 7608927629. The next prime is 7608927679. The reversal of 7608927661 is 1667298067.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6497972100 + 1110955561 = 80610^2 + 33331^2 .

It is an emirp because it is prime and its reverse (1667298067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7608927661 - 2⁵ = 7608927629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7608927599 and 7608927608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7608927061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3804463830 + 3804463831.

It is an arithmetic number, because the mean of its divisors is an integer number (3804463831).

Almost surely, 2^7608927661 is an apocalyptic number.

It is an amenable number.

7608927661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7608927661 is an equidigital number, since it uses as much as digits as its factorization.

7608927661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7608927661 is about 87229.1674900088. The cubic root of 7608927661 is about 1966.8646959678.

The spelling of 7608927661 in words is "seven billion, six hundred eight million, nine hundred twenty-seven thousand, six hundred sixty-one".