997054450799 has 32 divisors (see below), whose sum is σ = 1163245805568. Its totient is φ = 845438176000.

The previous prime is 997054450783. The next prime is 997054450807.

997054450799 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 997054450799 - 2⁴ = 997054450783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997054450759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21874637 + ... + 21920169.

It is an arithmetic number, because the mean of its divisors is an integer number (36351431424).

Almost surely, 2^997054450799 is an apocalyptic number.

997054450799 is a deficient number, since it is larger than the sum of its proper divisors (166191354769).

997054450799 is a wasteful number, since it uses less digits than its factorization.

997054450799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47719.

The product of its (nonzero) digits is 128595600, while the sum is 68.

The spelling of 997054450799 in words is "nine hundred ninety-seven billion, fifty-four million, four hundred fifty thousand, seven hundred ninety-nine".