5959778205697 has 4 divisors (see below), whose sum is σ = 5966193468420. Its totient is φ = 5953362942976.

The previous prime is 5959778205611. The next prime is 5959778205701. The reversal of 5959778205697 is 7965028779595.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110340894976 + 5849437310721 = 332176^2 + 2418561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5959778205697 is a prime.

It is a super-2 number, since 2×5959778205697² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5959778203697) 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 3 ways as a sum of consecutive naturals, for example, 3207629968 + ... + 3207631825.

It is an arithmetic number, because the mean of its divisors is an integer number (1491548367105).

Almost surely, 2^{5959778205697} is an apocalyptic number.

It is an amenable number.

5959778205697 is a deficient number, since it is larger than the sum of its proper divisors (6415262723).

5959778205697 is an equidigital number, since it uses as much as digits as its factorization.

5959778205697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415262722.

The product of its (nonzero) digits is 3000564000, while the sum is 79.

The spelling of 5959778205697 in words is "five trillion, nine hundred fifty-nine billion, seven hundred seventy-eight million, two hundred five thousand, six hundred ninety-seven".