856432825336 has 128 divisors (see below), whose sum is σ = 1831274827200. Its totient is φ = 372037120000.

The previous prime is 856432825327. The next prime is 856432825343. The reversal of 856432825336 is 633528234658.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 134044830 + ... + 134051218.

Almost surely, 2^856432825336 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 856432825336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915637413600).

856432825336 is an abundant number, since it is smaller than the sum of its proper divisors (974842001864).

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

856432825336 is a wasteful number, since it uses less digits than its factorization.

856432825336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201 (or 7197 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 55.

The spelling of 856432825336 in words is "eight hundred fifty-six billion, four hundred thirty-two million, eight hundred twenty-five thousand, three hundred thirty-six".