8043219856 has 45 divisors (see below), whose sum is σ = 18133683771. Its totient is φ = 3446018016.

The previous prime is 8043219817. The next prime is 8043219869. The reversal of 8043219856 is 6589123408.

The square root of 8043219856 is 89684.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 2509551 + ... + 2512753.

Almost surely, 2^8043219856 is an apocalyptic number.

8043219856 is the 89684-th square number.

It is an amenable number.

8043219856 is an abundant number, since it is smaller than the sum of its proper divisors (10090463915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8043219856 is an frugal number, since it uses more digits than its factorization.

8043219856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The cubic root of 8043219856 is about 2003.5951881055.

The spelling of 8043219856 in words is "eight billion, forty-three million, two hundred nineteen thousand, eight hundred fifty-six".