77120441465713 has 2 divisors, whose sum is σ = 77120441465714. Its totient is φ = 77120441465712.

The previous prime is 77120441465687. The next prime is 77120441465741. The reversal of 77120441465713 is 31756414402177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71558876725504 + 5561564740209 = 8459248^2 + 2358297^2 .

It is an emirp because it is prime and its reverse (31756414402177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77120441465713 - 2⁵ = 77120441465681 is a prime.

It is not a weakly prime, because it can be changed into another prime (77120441465513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38560220732856 + 38560220732857.

It is an arithmetic number, because the mean of its divisors is an integer number (38560220732857).

Almost surely, 2^{77120441465713} is an apocalyptic number.

It is an amenable number.

77120441465713 is a deficient number, since it is larger than the sum of its proper divisors (1).

77120441465713 is an equidigital number, since it uses as much as digits as its factorization.

77120441465713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 77120441465713 in words is "seventy-seven trillion, one hundred twenty billion, four hundred forty-one million, four hundred sixty-five thousand, seven hundred thirteen".