8043396784 has 20 divisors (see below), whose sum is σ = 15601067440. Its totient is φ = 4017314880.

The previous prime is 8043396773. The next prime is 8043396797. The reversal of 8043396784 is 4876933408.

It is a super-3 number, since 3×8043396784³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258807 + ... + 288214.

It is an arithmetic number, because the mean of its divisors is an integer number (780053372).

Almost surely, 2^8043396784 is an apocalyptic number.

It is an amenable number.

8043396784 is a deficient number, since it is larger than the sum of its proper divisors (7557670656).

8043396784 is a wasteful number, since it uses less digits than its factorization.

8043396784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547948 (or 547942 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 8043396784 is about 89684.9863912573. The cubic root of 8043396784 is about 2003.6098791329.

The spelling of 8043396784 in words is "eight billion, forty-three million, three hundred ninety-six thousand, seven hundred eighty-four".