855803260 has 96 divisors (see below), whose sum is σ = 2011806720. Its totient is φ = 303767808.

The previous prime is 855803231. The next prime is 855803279. The reversal of 855803260 is 62308558.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720387 + ... + 721573.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^855803260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855803260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005903360).

855803260 is an abundant number, since it is smaller than the sum of its proper divisors (1156003460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855803260 is a wasteful number, since it uses less digits than its factorization.

855803260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 855803260 is about 29254.1152660613. The cubic root of 855803260 is about 949.4191315171.

The spelling of 855803260 in words is "eight hundred fifty-five million, eight hundred three thousand, two hundred sixty".