855830976 has 448 divisors, whose sum is σ = 3132466176. Its totient is φ = 199065600.

The previous prime is 855830959. The next prime is 855831001. The reversal of 855830976 is 679038558.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×855830976² = 1464893318962225152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11723676 + ... + 11723748.

It is an arithmetic number, because the mean of its divisors is an integer number (6992112).

Almost surely, 2^855830976 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 855830976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566233088).

855830976 is an abundant number, since it is smaller than the sum of its proper divisors (2276635200).

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

855830976 is a wasteful number, since it uses less digits than its factorization.

855830976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 855830976 is about 29254.5889733560. The cubic root of 855830976 is about 949.4293806861.

The spelling of 855830976 in words is "eight hundred fifty-five million, eight hundred thirty thousand, nine hundred seventy-six".