56886268865 has 4 divisors (see below), whose sum is σ = 68263522644. Its totient is φ = 45509015088.

The previous prime is 56886268849. The next prime is 56886268867.

56886268865 is nontrivially palindromic in base 10.

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 39020471296 + 17865797569 = 197536^2 + 133663^2 .

It is a cyclic number.

It is not a de Polignac number, because 56886268865 - 2⁴ = 56886268849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56886268795 and 56886268804.

It is not an unprimeable number, because it can be changed into a prime (56886268867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5688626882 + ... + 5688626891.

It is an arithmetic number, because the mean of its divisors is an integer number (17065880661).

Almost surely, 2^56886268865 is an apocalyptic number.

It is an amenable number.

56886268865 is a deficient number, since it is larger than the sum of its proper divisors (11377253779).

56886268865 is a wasteful number, since it uses less digits than its factorization.

56886268865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377253778.

The product of its digits is 265420800, while the sum is 68.

The spelling of 56886268865 in words is "fifty-six billion, eight hundred eighty-six million, two hundred sixty-eight thousand, eight hundred sixty-five".