86655443 has 16 divisors (see below), whose sum is σ = 107699904. Its totient is φ = 68014080.

The previous prime is 86655433. The next prime is 86655463. The reversal of 86655443 is 34455668.

It is a cyclic number.

It is not a de Polignac number, because 86655443 - 2¹⁰ = 86654419 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 86655443.

It is not an unprimeable number, because it can be changed into a prime (86655433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5438 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (6731244).

Almost surely, 2^86655443 is an apocalyptic number.

86655443 is a deficient number, since it is larger than the sum of its proper divisors (21044461).

86655443 is a wasteful number, since it uses less digits than its factorization.

86655443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742.

The product of its digits is 345600, while the sum is 41.

The square root of 86655443 is about 9308.8905353968. The cubic root of 86655443 is about 442.5190271325.

The spelling of 86655443 in words is "eighty-six million, six hundred fifty-five thousand, four hundred forty-three".