4478359986 has 12 divisors (see below), whose sum is σ = 9703113342. Its totient is φ = 1492786656.

The previous prime is 4478359937. The next prime is 4478359993. The reversal of 4478359986 is 6899538744.

It can be written as a sum of positive squares in only one way, i.e., 4473603225 + 4756761 = 66885^2 + 2181^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 124398871 + ... + 124398906.

Almost surely, 2^4478359986 is an apocalyptic number.

4478359986 is an abundant number, since it is smaller than the sum of its proper divisors (5224753356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4478359986 is a wasteful number, since it uses less digits than its factorization.

4478359986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248797785 (or 248797782 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 4478359986 is about 66920.5498034796. The cubic root of 4478359986 is about 1648.3129356818.

The spelling of 4478359986 in words is "four billion, four hundred seventy-eight million, three hundred fifty-nine thousand, nine hundred eighty-six".