988196208997 has 2 divisors, whose sum is σ = 988196208998. Its totient is φ = 988196208996.

The previous prime is 988196208959. The next prime is 988196209019. The reversal of 988196208997 is 799802691889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697293471681 + 290902737316 = 835041^2 + 539354^2 .

It is a cyclic number.

It is not a de Polignac number, because 988196208997 - 2¹⁹ = 988195684709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988197208997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494098104498 + 494098104499.

It is an arithmetic number, because the mean of its divisors is an integer number (494098104499).

Almost surely, 2^988196208997 is an apocalyptic number.

It is an amenable number.

988196208997 is a deficient number, since it is larger than the sum of its proper divisors (1).

988196208997 is an equidigital number, since it uses as much as digits as its factorization.

988196208997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282175488, while the sum is 76.

The spelling of 988196208997 in words is "nine hundred eighty-eight billion, one hundred ninety-six million, two hundred eight thousand, nine hundred ninety-seven".