4873678285866 has 64 divisors (see below), whose sum is σ = 10722022617600. Its totient is φ = 1467478204416.

The previous prime is 4873678285849. The next prime is 4873678285891. The reversal of 4873678285866 is 6685828763784.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 4873678285791 and 4873678285800.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26703850 + ... + 26885738.

It is an arithmetic number, because the mean of its divisors is an integer number (167531603400).

Almost surely, 2^{4873678285866} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4873678285866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5361011308800).

4873678285866 is an abundant number, since it is smaller than the sum of its proper divisors (5848344331734).

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

4873678285866 is a wasteful number, since it uses less digits than its factorization.

4873678285866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189263.

The product of its digits is 5202247680, while the sum is 78.

The spelling of 4873678285866 in words is "four trillion, eight hundred seventy-three billion, six hundred seventy-eight million, two hundred eighty-five thousand, eight hundred sixty-six".