765766619983 has 2 divisors, whose sum is σ = 765766619984. Its totient is φ = 765766619982.

The previous prime is 765766619963. The next prime is 765766620043. The reversal of 765766619983 is 389916667567.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-765766619983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765766619963) 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, 382883309991 + 382883309992.

It is an arithmetic number, because the mean of its divisors is an integer number (382883309992).

Almost surely, 2^765766619983 is an apocalyptic number.

765766619983 is a deficient number, since it is larger than the sum of its proper divisors (1).

765766619983 is an equidigital number, since it uses as much as digits as its factorization.

765766619983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617258880, while the sum is 73.

The spelling of 765766619983 in words is "seven hundred sixty-five billion, seven hundred sixty-six million, six hundred nineteen thousand, nine hundred eighty-three".