850031604864 has 192 divisors, whose sum is σ = 2731777251840. Its totient is φ = 261548061696.

The previous prime is 850031604833. The next prime is 850031604889. The reversal of 850031604864 is 468406130058.

850031604864 is a `hidden beast` number, since 8 + 5 + 0 + 0 + 3 + 160 + 486 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 646752 + ... + 1455455.

It is an arithmetic number, because the mean of its divisors is an integer number (14228006520).

Almost surely, 2^850031604864 is an apocalyptic number.

It is an amenable number.

850031604864 is an abundant number, since it is smaller than the sum of its proper divisors (1881745646976).

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

850031604864 is a wasteful number, since it uses less digits than its factorization.

850031604864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102249 (or 2102225 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 850031604864 in words is "eight hundred fifty billion, thirty-one million, six hundred four thousand, eight hundred sixty-four".