86206143 has 16 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 55664544.

The previous prime is 86206129. The next prime is 86206177. The reversal of 86206143 is 34160268.

It is not a de Polignac number, because 86206143 - 2⁶ = 86206079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86206143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86206103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9130 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (7413120).

Almost surely, 2^86206143 is an apocalyptic number.

86206143 is a deficient number, since it is larger than the sum of its proper divisors (32403777).

86206143 is a wasteful number, since it uses less digits than its factorization.

86206143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 86206143 is about 9284.7263287617. The cubic root of 86206143 is about 441.7528955330.

The spelling of 86206143 in words is "eighty-six million, two hundred six thousand, one hundred forty-three".