850805742 has 16 divisors (see below), whose sum is σ = 1775594880. Its totient is φ = 271271352.

The previous prime is 850805723. The next prime is 850805759. The reversal of 850805742 is 247508058.

It is a self number, because there is not a number n which added to its sum of digits gives 850805742.

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 7 ways as a sum of consecutive naturals, for example, 3082492 + ... + 3082767.

It is an arithmetic number, because the mean of its divisors is an integer number (110974680).

Almost surely, 2^850805742 is an apocalyptic number.

850805742 is an abundant number, since it is smaller than the sum of its proper divisors (924789138).

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

850805742 is a wasteful number, since it uses less digits than its factorization.

850805742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165287.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 850805742 is about 29168.5745623608. The cubic root of 850805742 is about 947.5674578761.

The spelling of 850805742 in words is "eight hundred fifty million, eight hundred five thousand, seven hundred forty-two".