8043384780 has 96 divisors (see below), whose sum is σ = 25605888000. Its totient is φ = 2095015104.

The previous prime is 8043384731. The next prime is 8043384829. The reversal of 8043384780 is 874833408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8043384731) and next prime (8043384829).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149980 + ... + 196419.

It is an arithmetic number, because the mean of its divisors is an integer number (266728000).

Almost surely, 2^8043384780 is an apocalyptic number.

It is an amenable number.

8043384780 is an abundant number, since it is smaller than the sum of its proper divisors (17562503220).

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

8043384780 is a wasteful number, since it uses less digits than its factorization.

8043384780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346460 (or 346452 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8043384780 is about 89684.9194681023. The cubic root of 8043384780 is about 2003.6088824004.

The spelling of 8043384780 in words is "eight billion, forty-three million, three hundred eighty-four thousand, seven hundred eighty".