856198256 has 10 divisors (see below), whose sum is σ = 1658884152. Its totient is φ = 428099120.

The previous prime is 856198249. The next prime is 856198307. The reversal of 856198256 is 652891658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26756180 + ... + 26756211.

Almost surely, 2^856198256 is an apocalyptic number.

It is an amenable number.

856198256 is a deficient number, since it is larger than the sum of its proper divisors (802685896).

856198256 is a wasteful number, since it uses less digits than its factorization.

856198256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53512399 (or 53512393 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 856198256 is about 29260.8656057882. The cubic root of 856198256 is about 949.5651771857.

The spelling of 856198256 in words is "eight hundred fifty-six million, one hundred ninety-eight thousand, two hundred fifty-six".