871858260 has 576 divisors, whose sum is σ = 3592802304. Its totient is φ = 165888000.

The previous prime is 871858249. The next prime is 871858261. The reversal of 871858260 is 62858178.

871858260 is a `hidden beast` number, since 8 + 7 + 1 + 8 + 582 + 60 = 666.

871858260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871858261) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8632210 + ... + 8632310.

It is an arithmetic number, because the mean of its divisors is an integer number (6237504).

Almost surely, 2^871858260 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 871858260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796401152).

871858260 is an abundant number, since it is smaller than the sum of its proper divisors (2720944044).

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

871858260 is a wasteful number, since it uses less digits than its factorization.

871858260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 871858260 is about 29527.2460619002. The cubic root of 871858260 is about 955.3194695187.

The spelling of 871858260 in words is "eight hundred seventy-one million, eight hundred fifty-eight thousand, two hundred sixty".