86084129 has 2 divisors, whose sum is σ = 86084130. Its totient is φ = 86084128.

The previous prime is 86084123. The next prime is 86084149. The reversal of 86084129 is 92148068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 21715600 = 8023^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 86084129 - 2⁴ = 86084113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86084092 and 86084101.

It is not a weakly prime, because it can be changed into another prime (86084123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43042064 + 43042065.

It is an arithmetic number, because the mean of its divisors is an integer number (43042065).

Almost surely, 2^86084129 is an apocalyptic number.

It is an amenable number.

86084129 is a deficient number, since it is larger than the sum of its proper divisors (1).

86084129 is an equidigital number, since it uses as much as digits as its factorization.

86084129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 86084129 is about 9278.1533184142. The cubic root of 86084129 is about 441.5443818257.

The spelling of 86084129 in words is "eighty-six million, eighty-four thousand, one hundred twenty-nine".