859228280 has 64 divisors (see below), whose sum is σ = 2057905440. Its totient is φ = 321748992.

The previous prime is 859228277. The next prime is 859228303. The reversal of 859228280 is 82822958.

It is a happy number.

859228280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127967 + ... + 134513.

Almost surely, 2^859228280 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 859228280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028952720).

859228280 is an abundant number, since it is smaller than the sum of its proper divisors (1198677160).

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

859228280 is a wasteful number, since it uses less digits than its factorization.

859228280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768 (or 6764 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 859228280 is about 29312.5959273484. The cubic root of 859228280 is about 950.6840060081.

The spelling of 859228280 in words is "eight hundred fifty-nine million, two hundred twenty-eight thousand, two hundred eighty".