655663760627 has 2 divisors, whose sum is σ = 655663760628. Its totient is φ = 655663760626.

The previous prime is 655663760509. The next prime is 655663760669. The reversal of 655663760627 is 726067366556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655663760627 - 2⁸ = 655663760371 is a prime.

It is not a weakly prime, because it can be changed into another prime (655663763627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327831880313 + 327831880314.

It is an arithmetic number, because the mean of its divisors is an integer number (327831880314).

Almost surely, 2^655663760627 is an apocalyptic number.

655663760627 is a deficient number, since it is larger than the sum of its proper divisors (1).

655663760627 is an equidigital number, since it uses as much as digits as its factorization.

655663760627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 59.

The spelling of 655663760627 in words is "six hundred fifty-five billion, six hundred sixty-three million, seven hundred sixty thousand, six hundred twenty-seven".