856254794 has 8 divisors (see below), whose sum is σ = 1284928320. Its totient is φ = 427945356.

The previous prime is 856254781. The next prime is 856254821. The reversal of 856254794 is 497452658.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85064 + ... + 94595.

It is an arithmetic number, because the mean of its divisors is an integer number (160616040).

Almost surely, 2^856254794 is an apocalyptic number.

856254794 is a deficient number, since it is larger than the sum of its proper divisors (428673526).

856254794 is a wasteful number, since it uses less digits than its factorization.

856254794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182044.

The product of its digits is 2419200, while the sum is 50.

The square root of 856254794 is about 29261.8316924966. The cubic root of 856254794 is about 949.5860778489.

The spelling of 856254794 in words is "eight hundred fifty-six million, two hundred fifty-four thousand, seven hundred ninety-four".