997577585775799 has 8 divisors (see below), whose sum is σ = 1144858914938880. Its totient is φ = 851488817982936.

The previous prime is 997577585775761. The next prime is 997577585775833.

997577585775799 is nontrivially palindromic in base 10.

997577585775799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 997577585775799 - 2¹¹ = 997577585773751 is a prime.

It is a super-2 number, since 2×997577585775799² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997577585575799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298140340759 + ... + 298140344104.

It is an arithmetic number, because the mean of its divisors is an integer number (143107364367360).

Almost surely, 2^{997577585775799} is an apocalyptic number.

997577585775799 is a deficient number, since it is larger than the sum of its proper divisors (147281329163081).

997577585775799 is a wasteful number, since it uses less digits than its factorization.

997577585775799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596280685109.

The product of its digits is 3859475445000, while the sum is 106.

The spelling of 997577585775799 in words is "nine hundred ninety-seven trillion, five hundred seventy-seven billion, five hundred eighty-five million, seven hundred seventy-five thousand, seven hundred ninety-nine".