4728778313 has 8 divisors (see below), whose sum is σ = 5413921728. Its totient is φ = 4046035824.

The previous prime is 4728778289. The next prime is 4728778319. The reversal of 4728778313 is 3138778274.

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

It is a cyclic number.

It is not a de Polignac number, because 4728778313 - 2¹⁶ = 4728712777 is a prime.

It is a super-2 number, since 2×4728778313² = 44722688666998251938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4728778319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596006 + ... + 603887.

It is an arithmetic number, because the mean of its divisors is an integer number (676740216).

Almost surely, 2^4728778313 is an apocalyptic number.

It is an amenable number.

4728778313 is a deficient number, since it is larger than the sum of its proper divisors (685143415).

4728778313 is a wasteful number, since it uses less digits than its factorization.

4728778313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200463.

The product of its digits is 1580544, while the sum is 50.

The square root of 4728778313 is about 68766.1131154001. The cubic root of 4728778313 is about 1678.4805698248.

The spelling of 4728778313 in words is "four billion, seven hundred twenty-eight million, seven hundred seventy-eight thousand, three hundred thirteen".