86280823441 has 4 divisors (see below), whose sum is σ = 86305959652. Its totient is φ = 86255687232.

The previous prime is 86280823399. The next prime is 86280823451. The reversal of 86280823441 is 14432808268.

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 35270342416 + 51010481025 = 187804^2 + 225855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86280823441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86280823391 and 86280823400.

It is not an unprimeable number, because it can be changed into a prime (86280823451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12562956 + ... + 12569821.

It is an arithmetic number, because the mean of its divisors is an integer number (21576489913).

Almost surely, 2^86280823441 is an apocalyptic number.

It is an amenable number.

86280823441 is a deficient number, since it is larger than the sum of its proper divisors (25136211).

86280823441 is a wasteful number, since it uses less digits than its factorization.

86280823441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25136210.

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 86280823441 in words is "eighty-six billion, two hundred eighty million, eight hundred twenty-three thousand, four hundred forty-one".