86186531143 has 2 divisors, whose sum is σ = 86186531144. Its totient is φ = 86186531142.

The previous prime is 86186531077. The next prime is 86186531147. The reversal of 86186531143 is 34113568168.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86186531143 - 2⁹ = 86186530631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86186531093 and 86186531102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86186531147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43093265571 + 43093265572.

It is an arithmetic number, because the mean of its divisors is an integer number (43093265572).

Almost surely, 2^86186531143 is an apocalyptic number.

86186531143 is a deficient number, since it is larger than the sum of its proper divisors (1).

86186531143 is an equidigital number, since it uses as much as digits as its factorization.

86186531143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The spelling of 86186531143 in words is "eighty-six billion, one hundred eighty-six million, five hundred thirty-one thousand, one hundred forty-three".