4778903305 has 32 divisors (see below), whose sum is σ = 6374827008. Its totient is φ = 3409982400.

The previous prime is 4778903263. The next prime is 4778903309. The reversal of 4778903305 is 5033098774.

It is a happy number.

It is not a de Polignac number, because 4778903305 - 2¹³ = 4778895113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4778903309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966690 + ... + 971620.

It is an arithmetic number, because the mean of its divisors is an integer number (199213344).

Almost surely, 2^4778903305 is an apocalyptic number.

It is an amenable number.

4778903305 is a deficient number, since it is larger than the sum of its proper divisors (1595923703).

4778903305 is a wasteful number, since it uses less digits than its factorization.

4778903305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 4778903305 is about 69129.6123596827. The cubic root of 4778903305 is about 1684.3903619817.

The spelling of 4778903305 in words is "four billion, seven hundred seventy-eight million, nine hundred three thousand, three hundred five".