86084323909 has 2 divisors, whose sum is σ = 86084323910. Its totient is φ = 86084323908.

The previous prime is 86084323889. The next prime is 86084323993. The reversal of 86084323909 is 90932348068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50926948900 + 35157375009 = 225670^2 + 187503^2 .

It is a cyclic number.

It is not a de Polignac number, because 86084323909 - 2⁷ = 86084323781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86084323999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43042161954 + 43042161955.

It is an arithmetic number, because the mean of its divisors is an integer number (43042161955).

Almost surely, 2^86084323909 is an apocalyptic number.

It is an amenable number.

86084323909 is a deficient number, since it is larger than the sum of its proper divisors (1).

86084323909 is an equidigital number, since it uses as much as digits as its factorization.

86084323909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 86084323909 in words is "eighty-six billion, eighty-four million, three hundred twenty-three thousand, nine hundred nine".