856741852 has 6 divisors (see below), whose sum is σ = 1499298248. Its totient is φ = 428370924.

The previous prime is 856741849. The next prime is 856741883. The reversal of 856741852 is 258147658.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107092728 + ... + 107092735.

Almost surely, 2^856741852 is an apocalyptic number.

It is an amenable number.

856741852 is a deficient number, since it is larger than the sum of its proper divisors (642556396).

856741852 is a wasteful number, since it uses less digits than its factorization.

856741852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214185467 (or 214185465 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The square root of 856741852 is about 29270.1529206801. The cubic root of 856741852 is about 949.7660927357.

The spelling of 856741852 in words is "eight hundred fifty-six million, seven hundred forty-one thousand, eight hundred fifty-two".