86844423 has 8 divisors (see below), whose sum is σ = 119527936. Its totient is φ = 56028600.

The previous prime is 86844413. The next prime is 86844427. The reversal of 86844423 is 32444868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86844423 - 2²⁰ = 85795847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86844427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466813 + ... + 466998.

It is an arithmetic number, because the mean of its divisors is an integer number (14940992).

Almost surely, 2^86844423 is an apocalyptic number.

86844423 is a deficient number, since it is larger than the sum of its proper divisors (32683513).

86844423 is a wasteful number, since it uses less digits than its factorization.

86844423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933845.

The product of its digits is 147456, while the sum is 39.

The square root of 86844423 is about 9319.0355187648. The cubic root of 86844423 is about 442.8404784820.

The spelling of 86844423 in words is "eighty-six million, eight hundred forty-four thousand, four hundred twenty-three".