86180461 has 2 divisors, whose sum is σ = 86180462. Its totient is φ = 86180460.

The previous prime is 86180449. The next prime is 86180473. The reversal of 86180461 is 16408168.

It is a balanced prime because it is at equal distance from previous prime (86180449) and next prime (86180473).

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 15721225 = 8394^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 86180461 - 2⁹ = 86179949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86180161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43090230 + 43090231.

It is an arithmetic number, because the mean of its divisors is an integer number (43090231).

Almost surely, 2^86180461 is an apocalyptic number.

It is an amenable number.

86180461 is a deficient number, since it is larger than the sum of its proper divisors (1).

86180461 is an equidigital number, since it uses as much as digits as its factorization.

86180461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 86180461 is about 9283.3432016704. The cubic root of 86180461 is about 441.7090230807.

The spelling of 86180461 in words is "eighty-six million, one hundred eighty thousand, four hundred sixty-one".