4747648778 has 8 divisors (see below), whose sum is σ = 7144671072. Its totient is φ = 2366091756.

The previous prime is 4747648777. The next prime is 4747648781. The reversal of 4747648778 is 8778467474.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4747648778.

It is not an unprimeable number, because it can be changed into a prime (4747648777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865550 + ... + 3866777.

It is an arithmetic number, because the mean of its divisors is an integer number (893083884).

Almost surely, 2^4747648778 is an apocalyptic number.

4747648778 is a deficient number, since it is larger than the sum of its proper divisors (2397022294).

4747648778 is a wasteful number, since it uses less digits than its factorization.

4747648778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732636.

The product of its digits is 59006976, while the sum is 62.

The square root of 4747648778 is about 68903.1840918836. The cubic root of 4747648778 is about 1680.7102979550.

The spelling of 4747648778 in words is "four billion, seven hundred forty-seven million, six hundred forty-eight thousand, seven hundred seventy-eight".