1679227227697 has 2 divisors, whose sum is σ = 1679227227698. Its totient is φ = 1679227227696.

The previous prime is 1679227227683. The next prime is 1679227227701. The reversal of 1679227227697 is 7967227229761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1511807957136 + 167419270561 = 1229556^2 + 409169^2 .

It is an emirp because it is prime and its reverse (7967227229761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1679227227697 - 2¹⁵ = 1679227194929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1679227227607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839613613848 + 839613613849.

It is an arithmetic number, because the mean of its divisors is an integer number (839613613849).

Almost surely, 2^{1679227227697} is an apocalyptic number.

It is an amenable number.

1679227227697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679227227697 is an equidigital number, since it uses as much as digits as its factorization.

1679227227697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112021056, while the sum is 67.

The spelling of 1679227227697 in words is "one trillion, six hundred seventy-nine billion, two hundred twenty-seven million, two hundred twenty-seven thousand, six hundred ninety-seven".