850816632 has 64 divisors (see below), whose sum is σ = 2175115680. Its totient is φ = 277235712.

The previous prime is 850816541. The next prime is 850816661. The reversal of 850816632 is 236618058.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397068 + ... + 399204.

Almost surely, 2^850816632 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 850816632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087557840).

850816632 is an abundant number, since it is smaller than the sum of its proper divisors (1324299048).

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

850816632 is a wasteful number, since it uses less digits than its factorization.

850816632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 850816632 is about 29168.7612352667. The cubic root of 850816632 is about 947.5715006970.

The spelling of 850816632 in words is "eight hundred fifty million, eight hundred sixteen thousand, six hundred thirty-two".