766729084853 has 2 divisors, whose sum is σ = 766729084854. Its totient is φ = 766729084852.

The previous prime is 766729084829. The next prime is 766729084879. The reversal of 766729084853 is 358480927667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397937657329 + 368791427524 = 630823^2 + 607282^2 .

It is an emirp because it is prime and its reverse (358480927667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766729084853 - 2¹² = 766729080757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 766729084853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766729084813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383364542426 + 383364542427.

It is an arithmetic number, because the mean of its divisors is an integer number (383364542427).

Almost surely, 2^766729084853 is an apocalyptic number.

It is an amenable number.

766729084853 is a deficient number, since it is larger than the sum of its proper divisors (1).

766729084853 is an equidigital number, since it uses as much as digits as its factorization.

766729084853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 766729084853 in words is "seven hundred sixty-six billion, seven hundred twenty-nine million, eighty-four thousand, eight hundred fifty-three".