7661005753 has 2 divisors, whose sum is σ = 7661005754. Its totient is φ = 7661005752.

The previous prime is 7661005747. The next prime is 7661005811. The reversal of 7661005753 is 3575001667.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7645228969 + 15776784 = 87437^2 + 3972^2 .

It is an emirp because it is prime and its reverse (3575001667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7661005753 - 2⁹ = 7661005241 is a prime.

It is not a weakly prime, because it can be changed into another prime (7661005453) 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, 3830502876 + 3830502877.

It is an arithmetic number, because the mean of its divisors is an integer number (3830502877).

Almost surely, 2^7661005753 is an apocalyptic number.

It is an amenable number.

7661005753 is a deficient number, since it is larger than the sum of its proper divisors (1).

7661005753 is an equidigital number, since it uses as much as digits as its factorization.

7661005753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 7661005753 is about 87527.1715126223. The cubic root of 7661005753 is about 1971.3417944418.

The spelling of 7661005753 in words is "seven billion, six hundred sixty-one million, five thousand, seven hundred fifty-three".