806756643701 has 2 divisors, whose sum is σ = 806756643702. Its totient is φ = 806756643700.

The previous prime is 806756643617. The next prime is 806756643713. The reversal of 806756643701 is 107346657608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708332640625 + 98424003076 = 841625^2 + 313726^2 .

It is a cyclic number.

It is not a de Polignac number, because 806756643701 - 2¹⁰ = 806756642677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806756643761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403378321850 + 403378321851.

It is an arithmetic number, because the mean of its divisors is an integer number (403378321851).

Almost surely, 2^806756643701 is an apocalyptic number.

It is an amenable number.

806756643701 is a deficient number, since it is larger than the sum of its proper divisors (1).

806756643701 is an equidigital number, since it uses as much as digits as its factorization.

806756643701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 806756643701 in words is "eight hundred six billion, seven hundred fifty-six million, six hundred forty-three thousand, seven hundred one".