77300117705009 has 2 divisors, whose sum is σ = 77300117705010. Its totient is φ = 77300117705008.

The previous prime is 77300117704981. The next prime is 77300117705039. The reversal of 77300117705009 is 90050771100377.

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., 46170937806400 + 31129179898609 = 6794920^2 + 5579353^2 .

It is a cyclic number.

It is not a de Polignac number, because 77300117705009 - 2²⁴ = 77300100927793 is a prime.

It is not a weakly prime, because it can be changed into another prime (77300117705039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38650058852504 + 38650058852505.

It is an arithmetic number, because the mean of its divisors is an integer number (38650058852505).

Almost surely, 2^{77300117705009} is an apocalyptic number.

It is an amenable number.

77300117705009 is a deficient number, since it is larger than the sum of its proper divisors (1).

77300117705009 is an equidigital number, since it uses as much as digits as its factorization.

77300117705009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324135, while the sum is 47.

The spelling of 77300117705009 in words is "seventy-seven trillion, three hundred billion, one hundred seventeen million, seven hundred five thousand, nine".