855735000 has 160 divisors (see below), whose sum is σ = 2707570800. Its totient is φ = 225280000.

The previous prime is 855734993. The next prime is 855735007. The reversal of 855735000 is 537558.

It is an interprime number because it is at equal distance from previous prime (855734993) and next prime (855735007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855735007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1334680 + ... + 1335320.

Almost surely, 2^855735000 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 855735000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353785400).

855735000 is an abundant number, since it is smaller than the sum of its proper divisors (1851835800).

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

855735000 is a wasteful number, since it uses less digits than its factorization.

855735000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 855735000 is about 29252.9485693323. The cubic root of 855735000 is about 949.3938885374.

The spelling of 855735000 in words is "eight hundred fifty-five million, seven hundred thirty-five thousand".