855877 has 8 divisors (see below), whose sum is σ = 966240. Its totient is φ = 750960.

The previous prime is 855863. The next prime is 855887. The reversal of 855877 is 778558.

855877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 855877 - 2¹⁹ = 331589 is a prime.

It is a super-3 number, since 3×855877³ = 1880855025796233399, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (120780).

2⁸⁵⁵⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

855877 is a deficient number, since it is larger than the sum of its proper divisors (110363).

855877 is a wasteful number, since it uses less digits than its factorization.

855877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723.

The product of its digits is 78400, while the sum is 40.

The square root of 855877 is about 925.1362061880. The cubic root of 855877 is about 94.9446399527.

The spelling of 855877 in words is "eight hundred fifty-five thousand, eight hundred seventy-seven".