86143243441 has 4 divisors (see below), whose sum is σ = 86800825584. Its totient is φ = 85485661300.

The previous prime is 86143243429. The next prime is 86143243447. The reversal of 86143243441 is 14434234168.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86143243441 - 2⁵ = 86143243409 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86143243394 and 86143243403.

It is not an unprimeable number, because it can be changed into a prime (86143243447) 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, 328790875 + ... + 328791136.

It is an arithmetic number, because the mean of its divisors is an integer number (21700206396).

Almost surely, 2^86143243441 is an apocalyptic number.

It is an amenable number.

86143243441 is a deficient number, since it is larger than the sum of its proper divisors (657582143).

86143243441 is a wasteful number, since it uses less digits than its factorization.

86143243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657582142.

The product of its digits is 221184, while the sum is 40.

The spelling of 86143243441 in words is "eighty-six billion, one hundred forty-three million, two hundred forty-three thousand, four hundred forty-one".