2856886474752 has 672 divisors, whose sum is σ = 8999221271040. Its totient is φ = 904573992960.

The previous prime is 2856886474721. The next prime is 2856886474807. The reversal of 2856886474752 is 2574746886582.

2856886474752 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 8 + 86 + 474 + 75 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 9305818983 + ... + 9305819289.

It is an arithmetic number, because the mean of its divisors is an integer number (13391698320).

Almost surely, 2^{2856886474752} 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 2856886474752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499610635520).

2856886474752 is an abundant number, since it is smaller than the sum of its proper divisors (6142334796288).

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

2856886474752 is an equidigital number, since it uses as much as digits as its factorization.

2856886474752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 606 counting only the distinct ones).

The product of its digits is 1445068800, while the sum is 72.

The spelling of 2856886474752 in words is "two trillion, eight hundred fifty-six billion, eight hundred eighty-six million, four hundred seventy-four thousand, seven hundred fifty-two".