8504678443 has 16 divisors (see below), whose sum is σ = 8779246560. Its totient is φ = 8235062784.

The previous prime is 8504678423. The next prime is 8504678447. The reversal of 8504678443 is 3448764058.

It is a de Polignac number, because none of the positive numbers 2^k-8504678443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8504678447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271155 + ... + 1277827.

It is an arithmetic number, because the mean of its divisors is an integer number (548702910).

Almost surely, 2^8504678443 is an apocalyptic number.

8504678443 is a deficient number, since it is larger than the sum of its proper divisors (274568117).

8504678443 is a wasteful number, since it uses less digits than its factorization.

8504678443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 8504678443 is about 92220.8135021590. The cubic root of 8504678443 is about 2041.2019095535.

The spelling of 8504678443 in words is "eight billion, five hundred four million, six hundred seventy-eight thousand, four hundred forty-three".