86321705367773 has 2 divisors, whose sum is σ = 86321705367774. Its totient is φ = 86321705367772.

The previous prime is 86321705367671. The next prime is 86321705367827. The reversal of 86321705367773 is 37776350712368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77480520499204 + 8841184868569 = 8802302^2 + 2973413^2 .

It is a cyclic number.

It is not a de Polignac number, because 86321705367773 - 2¹⁶ = 86321705302237 is a prime.

It is a super-2 number, since 2×86321705367773² (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 (86321705667773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160852683886 + 43160852683887.

It is an arithmetic number, because the mean of its divisors is an integer number (43160852683887).

Almost surely, 2^{86321705367773} is an apocalyptic number.

It is an amenable number.

86321705367773 is a deficient number, since it is larger than the sum of its proper divisors (1).

86321705367773 is an equidigital number, since it uses as much as digits as its factorization.

86321705367773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186701760, while the sum is 65.

The spelling of 86321705367773 in words is "eighty-six trillion, three hundred twenty-one billion, seven hundred five million, three hundred sixty-seven thousand, seven hundred seventy-three".