77713060812269 has 2 divisors, whose sum is σ = 77713060812270. Its totient is φ = 77713060812268.

The previous prime is 77713060812263. The next prime is 77713060812281. The reversal of 77713060812269 is 96221806031777.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60186362292169 + 17526698520100 = 7757987^2 + 4186490^2 .

It is a cyclic number.

It is not a de Polignac number, because 77713060812269 - 2¹⁶ = 77713060746733 is a prime.

It is a super-2 number, since 2×77713060812269² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77713060812263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38856530406134 + 38856530406135.

It is an arithmetic number, because the mean of its divisors is an integer number (38856530406135).

Almost surely, 2^{77713060812269} is an apocalyptic number.

It is an amenable number.

77713060812269 is a deficient number, since it is larger than the sum of its proper divisors (1).

77713060812269 is an equidigital number, since it uses as much as digits as its factorization.

77713060812269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 77713060812269 in words is "seventy-seven trillion, seven hundred thirteen billion, sixty million, eight hundred twelve thousand, two hundred sixty-nine".