86043840271 has 4 divisors (see below), whose sum is σ = 86045828200. Its totient is φ = 86041852344.

The previous prime is 86043840269. The next prime is 86043840277. The reversal of 86043840271 is 17204834068.

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 86043840271 - 2¹ = 86043840269 is a prime.

It is a super-2 number, since 2×86043840271² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86043840277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927561 + ... + 1016098.

It is an arithmetic number, because the mean of its divisors is an integer number (21511457050).

Almost surely, 2^86043840271 is an apocalyptic number.

86043840271 is a deficient number, since it is larger than the sum of its proper divisors (1987929).

86043840271 is a wasteful number, since it uses less digits than its factorization.

86043840271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987928.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 86043840271 in words is "eighty-six billion, forty-three million, eight hundred forty thousand, two hundred seventy-one".