56800843837 has 2 divisors, whose sum is σ = 56800843838. Its totient is φ = 56800843836.

The previous prime is 56800843829. The next prime is 56800843859. The reversal of 56800843837 is 73834800865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33995615641 + 22805228196 = 184379^2 + 151014^2 .

It is a cyclic number.

It is not a de Polignac number, because 56800843837 - 2³ = 56800843829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56800843807) 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 as a sum of consecutive naturals, namely, 28400421918 + 28400421919.

It is an arithmetic number, because the mean of its divisors is an integer number (28400421919).

Almost surely, 2^56800843837 is an apocalyptic number.

It is an amenable number.

56800843837 is a deficient number, since it is larger than the sum of its proper divisors (1).

56800843837 is an equidigital number, since it uses as much as digits as its factorization.

56800843837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 56800843837 in words is "fifty-six billion, eight hundred million, eight hundred forty-three thousand, eight hundred thirty-seven".