859359380 has 48 divisors (see below), whose sum is σ = 1974563136. Its totient is φ = 311566080.

The previous prime is 859359313. The next prime is 859359383. The reversal of 859359380 is 83953958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859359383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70712 + ... + 81968.

It is an arithmetic number, because the mean of its divisors is an integer number (41136732).

Almost surely, 2^859359380 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 859359380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987281568).

859359380 is an abundant number, since it is smaller than the sum of its proper divisors (1115203756).

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

859359380 is a wasteful number, since it uses less digits than its factorization.

859359380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624 (or 11622 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 859359380 is about 29314.8320820707. The cubic root of 859359380 is about 950.7323549501.

The spelling of 859359380 in words is "eight hundred fifty-nine million, three hundred fifty-nine thousand, three hundred eighty".