86223076829 has 4 divisors (see below), whose sum is σ = 86388572700. Its totient is φ = 86057580960.

The previous prime is 86223076817. The next prime is 86223076859. The reversal of 86223076829 is 92867032268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7951823929 + 78271252900 = 89173^2 + 279770^2 .

It is a cyclic number.

It is not a de Polignac number, because 86223076829 - 2⁴ = 86223076813 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 (86223076859) 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, 82747154 + ... + 82748195.

It is an arithmetic number, because the mean of its divisors is an integer number (21597143175).

Almost surely, 2^86223076829 is an apocalyptic number.

It is an amenable number.

86223076829 is a deficient number, since it is larger than the sum of its proper divisors (165495871).

86223076829 is a wasteful number, since it uses less digits than its factorization.

86223076829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165495870.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 86223076829 in words is "eighty-six billion, two hundred twenty-three million, seventy-six thousand, eight hundred twenty-nine".