856826048865332 has 192 divisors, whose sum is σ = 1960390457464320. Its totient is φ = 317986623258624.

The previous prime is 856826048865211. The next prime is 856826048865359. The reversal of 856826048865332 is 233568840628658.

It is a self number, because there is not a number n which added to its sum of digits gives 856826048865332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29567122019 + ... + 29567150997.

It is an arithmetic number, because the mean of its divisors is an integer number (10210366965960).

Almost surely, 2^{856826048865332} 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 856826048865332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980195228732160).

856826048865332 is an abundant number, since it is smaller than the sum of its proper divisors (1103564408598988).

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

856826048865332 is a wasteful number, since it uses less digits than its factorization.

856826048865332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44410 (or 44408 counting only the distinct ones).

The product of its (nonzero) digits is 3185049600, while the sum is 74.

The spelling of 856826048865332 in words is "eight hundred fifty-six trillion, eight hundred twenty-six billion, forty-eight million, eight hundred sixty-five thousand, three hundred thirty-two".