850345870 has 16 divisors (see below), whose sum is σ = 1669770288. Its totient is φ = 309216640.

The previous prime is 850345861. The next prime is 850345897. The reversal of 850345870 is 78543058.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865099 + ... + 3865318.

It is an arithmetic number, because the mean of its divisors is an integer number (104360643).

Almost surely, 2^850345870 is an apocalyptic number.

850345870 is a deficient number, since it is larger than the sum of its proper divisors (819424418).

850345870 is a wasteful number, since it uses less digits than its factorization.

850345870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730435.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 850345870 is about 29160.6904925106. The cubic root of 850345870 is about 947.3967027690.

The spelling of 850345870 in words is "eight hundred fifty million, three hundred forty-five thousand, eight hundred seventy".