4478359988 has 6 divisors (see below), whose sum is σ = 7837129986. Its totient is φ = 2239179992.

The previous prime is 4478359937. The next prime is 4478359993. The reversal of 4478359988 is 8899538744.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2573735824 + 1904624164 = 50732^2 + 43642^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 559794995 + ... + 559795002.

It is an arithmetic number, because the mean of its divisors is an integer number (1306188331).

Almost surely, 2^4478359988 is an apocalyptic number.

It is an amenable number.

4478359988 is a deficient number, since it is larger than the sum of its proper divisors (3358769998).

4478359988 is a wasteful number, since it uses less digits than its factorization.

4478359988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119590001 (or 1119589999 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 65.

The square root of 4478359988 is about 66920.5498184227. The cubic root of 4478359988 is about 1648.3129359272.

The spelling of 4478359988 in words is "four billion, four hundred seventy-eight million, three hundred fifty-nine thousand, nine hundred eighty-eight".