854638876 has 192 divisors, whose sum is σ = 2059223040. Its totient is φ = 301086720.

The previous prime is 854638847. The next prime is 854638919. The reversal of 854638876 is 678836458.

It is a super-4 number, since 4×854638876⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9602640 + ... + 9602728.

It is an arithmetic number, because the mean of its divisors is an integer number (10725120).

Almost surely, 2^854638876 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 854638876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029611520).

854638876 is an abundant number, since it is smaller than the sum of its proper divisors (1204584164).

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

854638876 is a wasteful number, since it uses less digits than its factorization.

854638876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 202 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 854638876 is about 29234.2072921432. The cubic root of 854638876 is about 948.9883509692.

The spelling of 854638876 in words is "eight hundred fifty-four million, six hundred thirty-eight thousand, eight hundred seventy-six".