855671800 has 48 divisors (see below), whose sum is σ = 2007739800. Its totient is φ = 339120000.

The previous prime is 855671797. The next prime is 855671813. The reversal of 855671800 is 8176558.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2175 + ... + 41425.

Almost surely, 2^855671800 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 855671800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003869900).

855671800 is an abundant number, since it is smaller than the sum of its proper divisors (1152068000).

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

855671800 is a wasteful number, since it uses less digits than its factorization.

855671800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39376 (or 39367 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 855671800 is about 29251.8683163999. The cubic root of 855671800 is about 949.3705155808.

The spelling of 855671800 in words is "eight hundred fifty-five million, six hundred seventy-one thousand, eight hundred".