4778440876 has 24 divisors (see below), whose sum is σ = 9334632384. Its totient is φ = 2121505680.

The previous prime is 4778440859. The next prime is 4778440879. The reversal of 4778440876 is 6780448774.

It is not an unprimeable number, because it can be changed into a prime (4778440879) 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, 1260910 + ... + 1264693.

It is an arithmetic number, because the mean of its divisors is an integer number (388943016).

Almost surely, 2^4778440876 is an apocalyptic number.

It is an amenable number.

4778440876 is a deficient number, since it is larger than the sum of its proper divisors (4556191508).

4778440876 is a wasteful number, since it uses less digits than its factorization.

4778440876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525661 (or 2525659 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 55.

The square root of 4778440876 is about 69126.2676267134. The cubic root of 4778440876 is about 1684.3360304035.

The spelling of 4778440876 in words is "four billion, seven hundred seventy-eight million, four hundred forty thousand, eight hundred seventy-six".