86201239 has 4 divisors (see below), whose sum is σ = 86231656. Its totient is φ = 86170824.

The previous prime is 86201221. The next prime is 86201251. The reversal of 86201239 is 93210268.

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 86201239 - 2¹³ = 86193047 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 86201239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86201279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10464 + ... + 16789.

It is an arithmetic number, because the mean of its divisors is an integer number (21557914).

Almost surely, 2^86201239 is an apocalyptic number.

86201239 is a deficient number, since it is larger than the sum of its proper divisors (30417).

86201239 is a wasteful number, since it uses less digits than its factorization.

86201239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30416.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86201239 is about 9284.4622353694. The cubic root of 86201239 is about 441.7445187236.

The spelling of 86201239 in words is "eighty-six million, two hundred one thousand, two hundred thirty-nine".