850537820 has 24 divisors (see below), whose sum is σ = 1948505328. Its totient is φ = 309286400.

The previous prime is 850537811. The next prime is 850537843. The reversal of 850537820 is 28735058.

850537820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932821 + ... + 1933260.

It is an arithmetic number, because the mean of its divisors is an integer number (81187722).

Almost surely, 2^850537820 is an apocalyptic number.

It is an amenable number.

850537820 is an abundant number, since it is smaller than the sum of its proper divisors (1097967508).

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

850537820 is a wasteful number, since it uses less digits than its factorization.

850537820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866101 (or 3866099 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 850537820 is about 29163.9815525933. The cubic root of 850537820 is about 947.4679832216.

The spelling of 850537820 in words is "eight hundred fifty million, five hundred thirty-seven thousand, eight hundred twenty".