86208571 has 4 divisors (see below), whose sum is σ = 86256472. Its totient is φ = 86160672.

The previous prime is 86208559. The next prime is 86208587. The reversal of 86208571 is 17580268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86208571 - 2⁷ = 86208443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86208571.

It is not an unprimeable number, because it can be changed into a prime (86208541) 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 in 3 ways as a sum of consecutive naturals, for example, 21141 + ... + 24886.

It is an arithmetic number, because the mean of its divisors is an integer number (21564118).

Almost surely, 2^86208571 is an apocalyptic number.

86208571 is a deficient number, since it is larger than the sum of its proper divisors (47901).

86208571 is a wasteful number, since it uses less digits than its factorization.

86208571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47900.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 86208571 is about 9284.8570802140. The cubic root of 86208571 is about 441.7570428243.

The spelling of 86208571 in words is "eighty-six million, two hundred eight thousand, five hundred seventy-one".