988320566227 has 2 divisors, whose sum is σ = 988320566228. Its totient is φ = 988320566226.

The previous prime is 988320566203. The next prime is 988320566267. The reversal of 988320566227 is 722665023889.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988320566227 is a prime.

It is not a weakly prime, because it can be changed into another prime (988320566267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494160283113 + 494160283114.

It is an arithmetic number, because the mean of its divisors is an integer number (494160283114).

Almost surely, 2^988320566227 is an apocalyptic number.

988320566227 is a deficient number, since it is larger than the sum of its proper divisors (1).

988320566227 is an equidigital number, since it uses as much as digits as its factorization.

988320566227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 988320566227 in words is "nine hundred eighty-eight billion, three hundred twenty million, five hundred sixty-six thousand, two hundred twenty-seven".