855677 has 4 divisors (see below), whose sum is σ = 870240. Its totient is φ = 841116.

The previous prime is 855671. The next prime is 855683. The reversal of 855677 is 776558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (855671) and next prime (855683).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7193 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (217560).

2⁸⁵⁵⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

855677 is a deficient number, since it is larger than the sum of its proper divisors (14563).

855677 is a wasteful number, since it uses less digits than its factorization.

855677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14562.

The product of its digits is 58800, while the sum is 38.

The square root of 855677 is about 925.0281076811. The cubic root of 855677 is about 94.9372438716.

The spelling of 855677 in words is "eight hundred fifty-five thousand, six hundred seventy-seven".