7665665627 has 2 divisors, whose sum is σ = 7665665628. Its totient is φ = 7665665626.

The previous prime is 7665665621. The next prime is 7665665713. The reversal of 7665665627 is 7265665667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7665665627 - 2¹⁶ = 7665600091 is a prime.

It is not a weakly prime, because it can be changed into another prime (7665665621) 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, 3832832813 + 3832832814.

It is an arithmetic number, because the mean of its divisors is an integer number (3832832814).

Almost surely, 2^7665665627 is an apocalyptic number.

7665665627 is a deficient number, since it is larger than the sum of its proper divisors (1).

7665665627 is an equidigital number, since it uses as much as digits as its factorization.

7665665627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 56.

The square root of 7665665627 is about 87553.7870511607. The cubic root of 7665665627 is about 1971.7414087469.

The spelling of 7665665627 in words is "seven billion, six hundred sixty-five million, six hundred sixty-five thousand, six hundred twenty-seven".