86712443 has 4 divisors (see below), whose sum is σ = 87508080. Its totient is φ = 85916808.

The previous prime is 86712421. The next prime is 86712449. The reversal of 86712443 is 34421768.

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 86712443 - 2¹⁶ = 86646907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86712449) 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, 397655 + ... + 397872.

It is an arithmetic number, because the mean of its divisors is an integer number (21877020).

Almost surely, 2^86712443 is an apocalyptic number.

86712443 is a deficient number, since it is larger than the sum of its proper divisors (795637).

86712443 is a wasteful number, since it uses less digits than its factorization.

86712443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795636.

The product of its digits is 32256, while the sum is 35.

The square root of 86712443 is about 9311.9516214379. The cubic root of 86712443 is about 442.6160322184.

The spelling of 86712443 in words is "eighty-six million, seven hundred twelve thousand, four hundred forty-three".