86553143 has 2 divisors, whose sum is σ = 86553144. Its totient is φ = 86553142.

The previous prime is 86553127. The next prime is 86553157. The reversal of 86553143 is 34135568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86553143 - 2⁴ = 86553127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86553193) 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, 43276571 + 43276572.

It is an arithmetic number, because the mean of its divisors is an integer number (43276572).

Almost surely, 2^86553143 is an apocalyptic number.

86553143 is a deficient number, since it is larger than the sum of its proper divisors (1).

86553143 is an equidigital number, since it uses as much as digits as its factorization.

86553143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 86553143 is about 9303.3941655720. The cubic root of 86553143 is about 442.3448217939.

The spelling of 86553143 in words is "eighty-six million, five hundred fifty-three thousand, one hundred forty-three".