850666260 has 96 divisors (see below), whose sum is σ = 2468616192. Its totient is φ = 218695680.

The previous prime is 850666241. The next prime is 850666261. The reversal of 850666260 is 62666058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850666261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249165 + ... + 252555.

It is an arithmetic number, because the mean of its divisors is an integer number (25714752).

Almost surely, 2^850666260 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 850666260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234308096).

850666260 is an abundant number, since it is smaller than the sum of its proper divisors (1617949932).

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

850666260 is a wasteful number, since it uses less digits than its factorization.

850666260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 850666260 is about 29166.1835007599. The cubic root of 850666260 is about 947.5156733065.

The spelling of 850666260 in words is "eight hundred fifty million, six hundred sixty-six thousand, two hundred sixty".