850042315812 has 48 divisors (see below), whose sum is σ = 1987379960832. Its totient is φ = 282783970560.

The previous prime is 850042315799. The next prime is 850042315813. The reversal of 850042315812 is 218513240058.

It is not an unprimeable number, because it can be changed into a prime (850042315813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13613848 + ... + 13676144.

It is an arithmetic number, because the mean of its divisors is an integer number (41403749184).

Almost surely, 2^850042315812 is an apocalyptic number.

It is an amenable number.

850042315812 is an abundant number, since it is smaller than the sum of its proper divisors (1137337645020).

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

850042315812 is a wasteful number, since it uses less digits than its factorization.

850042315812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64548 (or 64546 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 850042315812 in words is "eight hundred fifty billion, forty-two million, three hundred fifteen thousand, eight hundred twelve".