855769800 has 192 divisors, whose sum is σ = 2863745280. Its totient is φ = 210595840.

The previous prime is 855769771. The next prime is 855769801. The reversal of 855769800 is 8967558.

It is a self number, because there is not a number n which added to its sum of digits gives 855769800.

It is not an unprimeable number, because it can be changed into a prime (855769801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 539809 + ... + 541391.

It is an arithmetic number, because the mean of its divisors is an integer number (14915340).

Almost surely, 2^855769800 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 855769800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431872640).

855769800 is an abundant number, since it is smaller than the sum of its proper divisors (2007975480).

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

855769800 is a wasteful number, since it uses less digits than its factorization.

855769800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 855769800 is about 29253.5433751195. The cubic root of 855769800 is about 949.4067579652.

The spelling of 855769800 in words is "eight hundred fifty-five million, seven hundred sixty-nine thousand, eight hundred".