4866782237856 has 288 divisors, whose sum is σ = 17300037500928. Its totient is φ = 1260796561920.

The previous prime is 4866782237839. The next prime is 4866782237869. The reversal of 4866782237856 is 6587322876684.

4866782237856 is a `hidden beast` number, since 486 + 6 + 7 + 8 + 2 + 23 + 78 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8206905 + ... + 8779911.

It is an arithmetic number, because the mean of its divisors is an integer number (60069574656).

Almost surely, 2^{4866782237856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4866782237856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8650018750464).

4866782237856 is an abundant number, since it is smaller than the sum of its proper divisors (12433255263072).

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

4866782237856 is a wasteful number, since it uses less digits than its factorization.

4866782237856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573424 (or 573413 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 72.

The spelling of 4866782237856 in words is "four trillion, eight hundred sixty-six billion, seven hundred eighty-two million, two hundred thirty-seven thousand, eight hundred fifty-six".