627472227043217 has 2 divisors, whose sum is σ = 627472227043218. Its totient is φ = 627472227043216.

The previous prime is 627472227043213. The next prime is 627472227043241. The reversal of 627472227043217 is 712340722274726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625112805089536 + 2359421953681 = 25002256^2 + 1536041^2 .

It is a cyclic number.

It is not a de Polignac number, because 627472227043217 - 2² = 627472227043213 is a prime.

It is not a weakly prime, because it can be changed into another prime (627472227043213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313736113521608 + 313736113521609.

It is an arithmetic number, because the mean of its divisors is an integer number (313736113521609).

Almost surely, 2^{627472227043217} is an apocalyptic number.

It is an amenable number.

627472227043217 is a deficient number, since it is larger than the sum of its proper divisors (1).

627472227043217 is an equidigital number, since it uses as much as digits as its factorization.

627472227043217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22127616, while the sum is 56.

The spelling of 627472227043217 in words is "six hundred twenty-seven trillion, four hundred seventy-two billion, two hundred twenty-seven million, forty-three thousand, two hundred seventeen".