855279 has 10 divisors (see below), whose sum is σ = 1277760. Its totient is φ = 570132.

The previous prime is 855277. The next prime is 855293. The reversal of 855279 is 972558.

It is not a de Polignac number, because 855279 - 2¹ = 855277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5199 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (127776).

2⁸⁵⁵²⁷⁹ is an apocalyptic number.

855279 is a deficient number, since it is larger than the sum of its proper divisors (422481).

855279 is a wasteful number, since it uses less digits than its factorization.

855279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571 (or 10562 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 855279 is about 924.8129540615. The cubic root of 855279 is about 94.9225222407.

The spelling of 855279 in words is "eight hundred fifty-five thousand, two hundred seventy-nine".