7608116921 has 2 divisors, whose sum is σ = 7608116922. Its totient is φ = 7608116920.

The previous prime is 7608116909. The next prime is 7608116953. The reversal of 7608116921 is 1296118067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6405761296 + 1202355625 = 80036^2 + 34675^2 .

It is a cyclic number.

It is not a de Polignac number, because 7608116921 - 2¹⁴ = 7608100537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7608116221) 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 as a sum of consecutive naturals, namely, 3804058460 + 3804058461.

It is an arithmetic number, because the mean of its divisors is an integer number (3804058461).

Almost surely, 2^7608116921 is an apocalyptic number.

It is an amenable number.

7608116921 is a deficient number, since it is larger than the sum of its proper divisors (1).

7608116921 is an equidigital number, since it uses as much as digits as its factorization.

7608116921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 7608116921 is about 87224.5201821139. The cubic root of 7608116921 is about 1966.7948362541.

The spelling of 7608116921 in words is "seven billion, six hundred eight million, one hundred sixteen thousand, nine hundred twenty-one".