57286626866 has 12 divisors (see below), whose sum is σ = 99959318478. Its totient is φ = 24551411472.

The previous prime is 57286626853. The next prime is 57286626869. The reversal of 57286626866 is 66862668275.

It can be written as a sum of positive squares in only one way, i.e., 51835905625 + 5450721241 = 227675^2 + 73829^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57286626799 and 57286626808.

It is not an unprimeable number, because it can be changed into a prime (57286626869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292278611 + ... + 292278806.

Almost surely, 2^57286626866 is an apocalyptic number.

57286626866 is a deficient number, since it is larger than the sum of its proper divisors (42672691612).

57286626866 is a wasteful number, since it uses less digits than its factorization.

57286626866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584557433 (or 584557426 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 57286626866 in words is "fifty-seven billion, two hundred eighty-six million, six hundred twenty-six thousand, eight hundred sixty-six".