856709314 has 4 divisors (see below), whose sum is σ = 1285063974. Its totient is φ = 428354656.

The previous prime is 856709263. The next prime is 856709327. The reversal of 856709314 is 413907658.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 660233025 + 196476289 = 25695^2 + 14017^2 .

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, 214177327 + ... + 214177330.

Almost surely, 2^856709314 is an apocalyptic number.

856709314 is a deficient number, since it is larger than the sum of its proper divisors (428354660).

856709314 is a wasteful number, since it uses less digits than its factorization.

856709314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428354659.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 856709314 is about 29269.5970932297. The cubic root of 856709314 is about 949.7540689348.

The spelling of 856709314 in words is "eight hundred fifty-six million, seven hundred nine thousand, three hundred fourteen".