872225203423643 has 2 divisors, whose sum is σ = 872225203423644. Its totient is φ = 872225203423642.

The previous prime is 872225203423627. The next prime is 872225203423661. The reversal of 872225203423643 is 346324302522278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872225203423643 - 2⁴ = 872225203423627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (872225203423843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436112601711821 + 436112601711822.

It is an arithmetic number, because the mean of its divisors is an integer number (436112601711822).

Almost surely, 2^{872225203423643} is an apocalyptic number.

872225203423643 is a deficient number, since it is larger than the sum of its proper divisors (1).

872225203423643 is an equidigital number, since it uses as much as digits as its factorization.

872225203423643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 53.

The spelling of 872225203423643 in words is "eight hundred seventy-two trillion, two hundred twenty-five billion, two hundred three million, four hundred twenty-three thousand, six hundred forty-three".