842585091850 has 48 divisors (see below), whose sum is σ = 1613200150368. Its totient is φ = 327184453440.

The previous prime is 842585091833. The next prime is 842585091863. The reversal of 842585091850 is 58190585248.

842585091850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 842585091791 and 842585091800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305497 + ... + 1333603.

It is an arithmetic number, because the mean of its divisors is an integer number (33608336466).

Almost surely, 2^842585091850 is an apocalyptic number.

842585091850 is a deficient number, since it is larger than the sum of its proper divisors (770615058518).

842585091850 is a wasteful number, since it uses less digits than its factorization.

842585091850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028599 (or 1028594 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 55.

The spelling of 842585091850 in words is "eight hundred forty-two billion, five hundred eighty-five million, ninety-one thousand, eight hundred fifty".