854847881 has 8 divisors (see below), whose sum is σ = 868307328. Its totient is φ = 841428000.

The previous prime is 854847859. The next prime is 854847883. The reversal of 854847881 is 188748458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 854847881 - 2⁶ = 854847817 is a prime.

It is a super-2 number, since 2×854847881² = 1461529799300380322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854847883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35261 + ... + 54341.

It is an arithmetic number, because the mean of its divisors is an integer number (108538416).

Almost surely, 2^854847881 is an apocalyptic number.

It is an amenable number.

854847881 is a deficient number, since it is larger than the sum of its proper divisors (13459447).

854847881 is a wasteful number, since it uses less digits than its factorization.

854847881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783.

The product of its digits is 2293760, while the sum is 53.

The square root of 854847881 is about 29237.7817387024. The cubic root of 854847881 is about 949.0657041646.

The spelling of 854847881 in words is "eight hundred fifty-four million, eight hundred forty-seven thousand, eight hundred eighty-one".