86529143 has 2 divisors, whose sum is σ = 86529144. Its totient is φ = 86529142.

The previous prime is 86529119. The next prime is 86529161. The reversal of 86529143 is 34192568.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86529143 - 2¹⁶ = 86463607 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86529097 and 86529106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86529103) 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, 43264571 + 43264572.

It is an arithmetic number, because the mean of its divisors is an integer number (43264572).

Almost surely, 2^86529143 is an apocalyptic number.

86529143 is a deficient number, since it is larger than the sum of its proper divisors (1).

86529143 is an equidigital number, since it uses as much as digits as its factorization.

86529143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 86529143 is about 9302.1042243140. The cubic root of 86529143 is about 442.3039326294.

The spelling of 86529143 in words is "eighty-six million, five hundred twenty-nine thousand, one hundred forty-three".