86711243 has 4 divisors (see below), whose sum is σ = 87230640. Its totient is φ = 86191848.

The previous prime is 86711221. The next prime is 86711267. The reversal of 86711243 is 34211768.

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 86711243 - 2¹² = 86707147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86711293) 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, 259448 + ... + 259781.

It is an arithmetic number, because the mean of its divisors is an integer number (21807660).

Almost surely, 2^86711243 is an apocalyptic number.

86711243 is a deficient number, since it is larger than the sum of its proper divisors (519397).

86711243 is a wasteful number, since it uses less digits than its factorization.

86711243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519396.

The product of its digits is 8064, while the sum is 32.

The square root of 86711243 is about 9311.8871878905. The cubic root of 86711243 is about 442.6139904442.

The spelling of 86711243 in words is "eighty-six million, seven hundred eleven thousand, two hundred forty-three".