4978318905 has 72 divisors (see below), whose sum is σ = 10165334400. Its totient is φ = 2246916672.

The previous prime is 4978318867. The next prime is 4978318907. The reversal of 4978318905 is 5098138794.

4978318905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978318905 - 2¹⁴ = 4978302521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4978318907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 159906 + ... + 188484.

It is an arithmetic number, because the mean of its divisors is an integer number (141185200).

Almost surely, 2^4978318905 is an apocalyptic number.

4978318905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4978318905 is an abundant number, since it is smaller than the sum of its proper divisors (5187015495).

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

4978318905 is a wasteful number, since it uses less digits than its factorization.

4978318905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28683 (or 28673 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 4978318905 is about 70557.2030695662. The cubic root of 4978318905 is about 1707.5007555016.

The spelling of 4978318905 in words is "four billion, nine hundred seventy-eight million, three hundred eighteen thousand, nine hundred five".