543941978 has 8 divisors (see below), whose sum is σ = 820471680. Its totient is φ = 270451420.

The previous prime is 543941971. The next prime is 543941987. The reversal of 543941978 is 879149345.

543941978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (543941971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759338 + ... + 760053.

It is an arithmetic number, because the mean of its divisors is an integer number (102558960).

Almost surely, 2^543941978 is an apocalyptic number.

543941978 is a deficient number, since it is larger than the sum of its proper divisors (276529702).

543941978 is a wasteful number, since it uses less digits than its factorization.

543941978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519572.

The product of its digits is 1088640, while the sum is 50.

The square root of 543941978 is about 23322.5637098497. The cubic root of 543941978 is about 816.3019965829.

The spelling of 543941978 in words is "five hundred forty-three million, nine hundred forty-one thousand, nine hundred seventy-eight".