4466893557778 has 8 divisors (see below), whose sum is σ = 6761811349260. Its totient is φ = 2212956441360.

The previous prime is 4466893557703. The next prime is 4466893557787. The reversal of 4466893557778 is 8777553986644.

It can be written as a sum of positive squares in 2 ways, for example, as 3926473030089 + 540420527689 = 1981533^2 + 735133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4466893557698 and 4466893557707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245168493 + ... + 10245168928.

Almost surely, 2^{4466893557778} is an apocalyptic number.

4466893557778 is a deficient number, since it is larger than the sum of its proper divisors (2294917791482).

4466893557778 is a wasteful number, since it uses less digits than its factorization.

4466893557778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490337532.

The product of its digits is 8534937600, while the sum is 79.

The spelling of 4466893557778 in words is "four trillion, four hundred sixty-six billion, eight hundred ninety-three million, five hundred fifty-seven thousand, seven hundred seventy-eight".