76834307729 has 2 divisors, whose sum is σ = 76834307730. Its totient is φ = 76834307728.

The previous prime is 76834307713. The next prime is 76834307741. The reversal of 76834307729 is 92770343867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75163705600 + 1670602129 = 274160^2 + 40873^2 .

It is a cyclic number.

It is not a de Polignac number, because 76834307729 - 2⁴ = 76834307713 is a prime.

It is not a weakly prime, because it can be changed into another prime (76834307789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38417153864 + 38417153865.

It is an arithmetic number, because the mean of its divisors is an integer number (38417153865).

Almost surely, 2^76834307729 is an apocalyptic number.

It is an amenable number.

76834307729 is a deficient number, since it is larger than the sum of its proper divisors (1).

76834307729 is an equidigital number, since it uses as much as digits as its factorization.

76834307729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 76834307729 in words is "seventy-six billion, eight hundred thirty-four million, three hundred seven thousand, seven hundred twenty-nine".