850845890 has 16 divisors (see below), whose sum is σ = 1532424960. Its totient is φ = 340137840.

The previous prime is 850845889. The next prime is 850845893. The reversal of 850845890 is 98548058.

It is not an unprimeable number, because it can be changed into a prime (850845893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6596 + ... + 41775.

It is an arithmetic number, because the mean of its divisors is an integer number (95776560).

Almost surely, 2^850845890 is an apocalyptic number.

850845890 is a deficient number, since it is larger than the sum of its proper divisors (681579070).

850845890 is a wasteful number, since it uses less digits than its factorization.

850845890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50137.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 850845890 is about 29169.2627606527. The cubic root of 850845890 is about 947.5823623124.

The spelling of 850845890 in words is "eight hundred fifty million, eight hundred forty-five thousand, eight hundred ninety".