706781056823 has 2 divisors, whose sum is σ = 706781056824. Its totient is φ = 706781056822.

The previous prime is 706781056819. The next prime is 706781056843. The reversal of 706781056823 is 328650187607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706781056823 - 2² = 706781056819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706781056843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353390528411 + 353390528412.

It is an arithmetic number, because the mean of its divisors is an integer number (353390528412).

Almost surely, 2^706781056823 is an apocalyptic number.

706781056823 is a deficient number, since it is larger than the sum of its proper divisors (1).

706781056823 is an equidigital number, since it uses as much as digits as its factorization.

706781056823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 706781056823 in words is "seven hundred six billion, seven hundred eighty-one million, fifty-six thousand, eight hundred twenty-three".