56675638847 has 2 divisors, whose sum is σ = 56675638848. Its totient is φ = 56675638846.

The previous prime is 56675638841. The next prime is 56675638867. The reversal of 56675638847 is 74883657665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56675638847 - 2²⁶ = 56608529983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56675638841) 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 as a sum of consecutive naturals, namely, 28337819423 + 28337819424.

It is an arithmetic number, because the mean of its divisors is an integer number (28337819424).

Almost surely, 2^56675638847 is an apocalyptic number.

56675638847 is a deficient number, since it is larger than the sum of its proper divisors (1).

56675638847 is an equidigital number, since it uses as much as digits as its factorization.

56675638847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203212800, while the sum is 65.

The spelling of 56675638847 in words is "fifty-six billion, six hundred seventy-five million, six hundred thirty-eight thousand, eight hundred forty-seven".