4778873 has 8 divisors (see below), whose sum is σ = 5242656. Its totient is φ = 4320000.

The previous prime is 4778869. The next prime is 4778927. The reversal of 4778873 is 3788774.

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 4778873 - 2² = 4778869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4778803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (655332).

Almost surely, 2^4778873 is an apocalyptic number.

4778873 is the 1169-th centered heptagonal number.

It is an amenable number.

4778873 is a deficient number, since it is larger than the sum of its proper divisors (463783).

4778873 is a wasteful number, since it uses less digits than its factorization.

4778873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its digits is 263424, while the sum is 44.

The square root of 4778873 is about 2186.0633568129. The cubic root of 4778873 is about 168.4386801503.

Subtracting from 4778873 its reverse (3788774), we obtain a palindrome (990099).

It can be divided in two parts, 4 and 778873, that added together give a palindrome (778877).

The spelling of 4778873 in words is "four million, seven hundred seventy-eight thousand, eight hundred seventy-three".