4778487348 has 24 divisors (see below), whose sum is σ = 11159029728. Its totient is φ = 1591511136.

The previous prime is 4778487323. The next prime is 4778487361. The reversal of 4778487348 is 8437848774.

It is a junction number, because it is equal to n+sod(n) for n = 4778487291 and 4778487300.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 149586 + ... + 178697.

It is an arithmetic number, because the mean of its divisors is an integer number (464959572).

Almost surely, 2^4778487348 is an apocalyptic number.

It is an amenable number.

4778487348 is an abundant number, since it is smaller than the sum of its proper divisors (6380542380).

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

4778487348 is a wasteful number, since it uses less digits than its factorization.

4778487348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329503 (or 329501 counting only the distinct ones).

The product of its digits is 33718272, while the sum is 60.

The square root of 4778487348 is about 69126.6037643974. The cubic root of 4778487348 is about 1684.3414906371.

The spelling of 4778487348 in words is "four billion, seven hundred seventy-eight million, four hundred eighty-seven thousand, three hundred forty-eight".