8784043728923 has 2 divisors, whose sum is σ = 8784043728924. Its totient is φ = 8784043728922.

The previous prime is 8784043728907. The next prime is 8784043728979. The reversal of 8784043728923 is 3298273404878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8784043728923 - 2⁴ = 8784043728907 is a prime.

It is a super-3 number, since 3×8784043728923³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8784043728923.

It is not a weakly prime, because it can be changed into another prime (8784043728983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392021864461 + 4392021864462.

It is an arithmetic number, because the mean of its divisors is an integer number (4392021864462).

Almost surely, 2^{8784043728923} is an apocalyptic number.

8784043728923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8784043728923 is an equidigital number, since it uses as much as digits as its factorization.

8784043728923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130056192, while the sum is 65.

The spelling of 8784043728923 in words is "eight trillion, seven hundred eighty-four billion, forty-three million, seven hundred twenty-eight thousand, nine hundred twenty-three".