4678778764 has 12 divisors (see below), whose sum is σ = 8932214088. Its totient is φ = 2126717600.

The previous prime is 4678778737. The next prime is 4678778821.

4678778764 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4678778696 and 4678778705.

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 3 ways as a sum of consecutive naturals, for example, 53167897 + ... + 53167984.

It is an arithmetic number, because the mean of its divisors is an integer number (744351174).

Almost surely, 2^4678778764 is an apocalyptic number.

4678778764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4678778764 is a deficient number, since it is larger than the sum of its proper divisors (4253435324).

4678778764 is a wasteful number, since it uses less digits than its factorization.

4678778764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106335896 (or 106335894 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 64.

The square root of 4678778764 is about 68401.5991333536. The cubic root of 4678778764 is about 1672.5438139150.

The spelling of 4678778764 in words is "four billion, six hundred seventy-eight million, seven hundred seventy-eight thousand, seven hundred sixty-four".