850853808 has 280 divisors, whose sum is σ = 2995799328. Its totient is φ = 228427776.

The previous prime is 850853797. The next prime is 850853819. The reversal of 850853808 is 808358058.

It is an interprime number because it is at equal distance from previous prime (850853797) and next prime (850853819).

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 55 ways as a sum of consecutive naturals, for example, 1387710 + ... + 1388322.

Almost surely, 2^850853808 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 850853808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497899664).

850853808 is an abundant number, since it is smaller than the sum of its proper divisors (2144945520).

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

850853808 is a wasteful number, since it uses less digits than its factorization.

850853808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 850853808 is about 29169.3984853990. The cubic root of 850853808 is about 947.5853017142.

The spelling of 850853808 in words is "eight hundred fifty million, eight hundred fifty-three thousand, eight hundred eight".