855467860 has 48 divisors (see below), whose sum is σ = 1946221200. Its totient is φ = 315848832.

The previous prime is 855467849. The next prime is 855467869. The reversal of 855467860 is 68764558.

It can be written as a sum of positive squares in 8 ways, for example, as 691269264 + 164198596 = 26292^2 + 12814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855467869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34206 + ... + 53674.

It is an arithmetic number, because the mean of its divisors is an integer number (40546275).

Almost surely, 2^855467860 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 855467860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973110600).

855467860 is an abundant number, since it is smaller than the sum of its proper divisors (1090753340).

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

855467860 is a wasteful number, since it uses less digits than its factorization.

855467860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19517 (or 19489 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 855467860 is about 29248.3821774812. The cubic root of 855467860 is about 949.2950855671.

The spelling of 855467860 in words is "eight hundred fifty-five million, four hundred sixty-seven thousand, eight hundred sixty".