850853885 has 24 divisors (see below), whose sum is σ = 1193032800. Its totient is φ = 580834464.

The previous prime is 850853873. The next prime is 850853897. The reversal of 850853885 is 588358058.

It is an interprime number because it is at equal distance from previous prime (850853873) and next prime (850853897).

It is not a de Polignac number, because 850853885 - 2⁶ = 850853821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47966 + ... + 63264.

It is an arithmetic number, because the mean of its divisors is an integer number (49709700).

Almost surely, 2^850853885 is an apocalyptic number.

It is an amenable number.

850853885 is a deficient number, since it is larger than the sum of its proper divisors (342178915).

850853885 is a wasteful number, since it uses less digits than its factorization.

850853885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545 (or 15538 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 50.

The square root of 850853885 is about 29169.3998052754. The cubic root of 850853885 is about 947.5853302989.

The spelling of 850853885 in words is "eight hundred fifty million, eight hundred fifty-three thousand, eight hundred eighty-five".