86321705367671 has 2 divisors, whose sum is σ = 86321705367672. Its totient is φ = 86321705367670.

The previous prime is 86321705367659. The next prime is 86321705367773. The reversal of 86321705367671 is 17676350712368.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86321705367671 - 2⁴⁶ = 15952961190007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86321705367871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160852683835 + 43160852683836.

It is an arithmetic number, because the mean of its divisors is an integer number (43160852683836).

Almost surely, 2^{86321705367671} is an apocalyptic number.

86321705367671 is a deficient number, since it is larger than the sum of its proper divisors (1).

86321705367671 is an equidigital number, since it uses as much as digits as its factorization.

86321705367671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53343360, while the sum is 62.

The spelling of 86321705367671 in words is "eighty-six trillion, three hundred twenty-one billion, seven hundred five million, three hundred sixty-seven thousand, six hundred seventy-one".