854942881 has 16 divisors (see below), whose sum is σ = 961929360. Its totient is φ = 754387200.

The previous prime is 854942839. The next prime is 854942909. The reversal of 854942881 is 188249458.

854942881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11621281 + 843321600 = 3409^2 + 29040^2 .

It is a cyclic number.

It is not a de Polignac number, because 854942881 - 2²¹ = 852845729 is a prime.

It is a super-2 number, since 2×854942881² = 1461854659545160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854942381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26851 + ... + 49303.

It is an arithmetic number, because the mean of its divisors is an integer number (60120585).

Almost surely, 2^854942881 is an apocalyptic number.

It is an amenable number.

854942881 is a deficient number, since it is larger than the sum of its proper divisors (106986479).

854942881 is a wasteful number, since it uses less digits than its factorization.

854942881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596.

The product of its digits is 737280, while the sum is 49.

The square root of 854942881 is about 29239.4063038222. The cubic root of 854942881 is about 949.1008596990.

The spelling of 854942881 in words is "eight hundred fifty-four million, nine hundred forty-two thousand, eight hundred eighty-one".