850188966 has 32 divisors (see below), whose sum is σ = 1856020608. Its totient is φ = 257485440.

The previous prime is 850188949. The next prime is 850188967. The reversal of 850188966 is 669881058.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850188967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184705 + ... + 189251.

It is an arithmetic number, because the mean of its divisors is an integer number (58000644).

Almost surely, 2^850188966 is an apocalyptic number.

850188966 is an abundant number, since it is smaller than the sum of its proper divisors (1005831642).

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

850188966 is a wasteful number, since it uses less digits than its factorization.

850188966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396.

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 850188966 is about 29158.0000342959. Note that the first 4 decimals coincide. The cubic root of 850188966 is about 947.3384286473.

The spelling of 850188966 in words is "eight hundred fifty million, one hundred eighty-eight thousand, nine hundred sixty-six".