850785847 has 8 divisors (see below), whose sum is σ = 918390240. Its totient is φ = 785732640.

The previous prime is 850785787. The next prime is 850785851. The reversal of 850785847 is 748587058.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 850785847 - 2²³ = 842397239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850785794 and 850785803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850785647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 637104 + ... + 638437.

It is an arithmetic number, because the mean of its divisors is an integer number (114798780).

Almost surely, 2^850785847 is an apocalyptic number.

850785847 is a deficient number, since it is larger than the sum of its proper divisors (67604393).

850785847 is a wasteful number, since it uses less digits than its factorization.

850785847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275593.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 850785847 is about 29168.2335255325. The cubic root of 850785847 is about 947.5600719357.

The spelling of 850785847 in words is "eight hundred fifty million, seven hundred eighty-five thousand, eight hundred forty-seven".