86543167 has 2 divisors, whose sum is σ = 86543168. Its totient is φ = 86543166.

The previous prime is 86543153. The next prime is 86543183. The reversal of 86543167 is 76134568.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86543167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86543137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43271583 + 43271584.

It is an arithmetic number, because the mean of its divisors is an integer number (43271584).

Almost surely, 2^86543167 is an apocalyptic number.

86543167 is a deficient number, since it is larger than the sum of its proper divisors (1).

86543167 is an equidigital number, since it uses as much as digits as its factorization.

86543167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 86543167 is about 9302.8580017111. The cubic root of 86543167 is about 442.3278264493.

The spelling of 86543167 in words is "eighty-six million, five hundred forty-three thousand, one hundred sixty-seven".