856775834 has 8 divisors (see below), whose sum is σ = 1286012160. Its totient is φ = 428105116.

The previous prime is 856775827. The next prime is 856775869. The reversal of 856775834 is 438577658.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137594 + ... + 143685.

It is an arithmetic number, because the mean of its divisors is an integer number (160751520).

Almost surely, 2^856775834 is an apocalyptic number.

856775834 is a deficient number, since it is larger than the sum of its proper divisors (429236326).

856775834 is a wasteful number, since it uses less digits than its factorization.

856775834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282804.

The product of its digits is 5644800, while the sum is 53.

The square root of 856775834 is about 29270.7334038626. The cubic root of 856775834 is about 949.7786498144.

The spelling of 856775834 in words is "eight hundred fifty-six million, seven hundred seventy-five thousand, eight hundred thirty-four".