767716009993 has 2 divisors, whose sum is σ = 767716009994. Its totient is φ = 767716009992.

The previous prime is 767716009909. The next prime is 767716009997. The reversal of 767716009993 is 399900617767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745860231424 + 21855778569 = 863632^2 + 147837^2 .

It is a cyclic number.

It is not a de Polignac number, because 767716009993 - 2⁹ = 767716009481 is a prime.

It is not a weakly prime, because it can be changed into another prime (767716009997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383858004996 + 383858004997.

It is an arithmetic number, because the mean of its divisors is an integer number (383858004997).

Almost surely, 2^767716009993 is an apocalyptic number.

It is an amenable number.

767716009993 is a deficient number, since it is larger than the sum of its proper divisors (1).

767716009993 is an equidigital number, since it uses as much as digits as its factorization.

767716009993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27005076, while the sum is 64.

The spelling of 767716009993 in words is "seven hundred sixty-seven billion, seven hundred sixteen million, nine thousand, nine hundred ninety-three".