4778322988 has 24 divisors (see below), whose sum is σ = 8433754560. Its totient is φ = 2368713360.

The previous prime is 4778322971. The next prime is 4778323007. The reversal of 4778322988 is 8892238774.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 656095 + ... + 663337.

It is an arithmetic number, because the mean of its divisors is an integer number (351406440).

Almost surely, 2^4778322988 is an apocalyptic number.

It is an amenable number.

4778322988 is a deficient number, since it is larger than the sum of its proper divisors (3655431572).

4778322988 is a wasteful number, since it uses less digits than its factorization.

4778322988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637 (or 8635 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The square root of 4778322988 is about 69125.4149209970. The cubic root of 4778322988 is about 1684.3221789791.

The spelling of 4778322988 in words is "four billion, seven hundred seventy-eight million, three hundred twenty-two thousand, nine hundred eighty-eight".