997560486383 has 2 divisors, whose sum is σ = 997560486384. Its totient is φ = 997560486382.

The previous prime is 997560486379. The next prime is 997560486401. The reversal of 997560486383 is 383684065799.

It is a weak prime.

It is an emirp because it is prime and its reverse (383684065799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 997560486383 - 2² = 997560486379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997560486313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498780243191 + 498780243192.

It is an arithmetic number, because the mean of its divisors is an integer number (498780243192).

Almost surely, 2^997560486383 is an apocalyptic number.

997560486383 is a deficient number, since it is larger than the sum of its proper divisors (1).

997560486383 is an equidigital number, since it uses as much as digits as its factorization.

997560486383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 997560486383 in words is "nine hundred ninety-seven billion, five hundred sixty million, four hundred eighty-six thousand, three hundred eighty-three".