850907880 has 96 divisors (see below), whose sum is σ = 2786715360. Its totient is φ = 225164160.

The previous prime is 850907867. The next prime is 850907887. The reversal of 850907880 is 88709058.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (850907887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38139 + ... + 56181.

It is an arithmetic number, because the mean of its divisors is an integer number (29028285).

Almost surely, 2^850907880 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 850907880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393357680).

850907880 is an abundant number, since it is smaller than the sum of its proper divisors (1935807480).

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

850907880 is a wasteful number, since it uses less digits than its factorization.

850907880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191 (or 18184 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 850907880 is about 29170.3253324333. The cubic root of 850907880 is about 947.6053743936.

The spelling of 850907880 in words is "eight hundred fifty million, nine hundred seven thousand, eight hundred eighty".