298789227697 has 2 divisors, whose sum is σ = 298789227698. Its totient is φ = 298789227696.

The previous prime is 298789227683. The next prime is 298789227707. The reversal of 298789227697 is 796722987892.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163279838241 + 135509389456 = 404079^2 + 368116^2 .

It is a cyclic number.

It is not a de Polignac number, because 298789227697 - 2²³ = 298780839089 is a prime.

It is not a weakly prime, because it can be changed into another prime (298789221697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149394613848 + 149394613849.

It is an arithmetic number, because the mean of its divisors is an integer number (149394613849).

Almost surely, 2^298789227697 is an apocalyptic number.

It is an amenable number.

298789227697 is a deficient number, since it is larger than the sum of its proper divisors (1).

298789227697 is an equidigital number, since it uses as much as digits as its factorization.

298789227697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768144384, while the sum is 76.

The spelling of 298789227697 in words is "two hundred ninety-eight billion, seven hundred eighty-nine million, two hundred twenty-seven thousand, six hundred ninety-seven".