76541320396789 has 2 divisors, whose sum is σ = 76541320396790. Its totient is φ = 76541320396788.

The previous prime is 76541320396771. The next prime is 76541320396811. The reversal of 76541320396789 is 98769302314567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71840372256900 + 4700948139889 = 8475870^2 + 2168167^2 .

It is an emirp because it is prime and its reverse (98769302314567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76541320396789 - 2¹⁷ = 76541320265717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76541320396769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38270660198394 + 38270660198395.

It is an arithmetic number, because the mean of its divisors is an integer number (38270660198395).

It is a 2-persistent number, because it is pandigital, and so is 2⋅76541320396789 = 153082640793578, but 3⋅76541320396789 = 229623961190367 is not.

Almost surely, 2^{76541320396789} is an apocalyptic number.

It is an amenable number.

76541320396789 is a deficient number, since it is larger than the sum of its proper divisors (1).

76541320396789 is an equidigital number, since it uses as much as digits as its factorization.

76541320396789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411505920, while the sum is 70.

The spelling of 76541320396789 in words is "seventy-six trillion, five hundred forty-one billion, three hundred twenty million, three hundred ninety-six thousand, seven hundred eighty-nine".