856314773 has 8 divisors (see below), whose sum is σ = 860855040. Its totient is φ = 851782960.

The previous prime is 856314763. The next prime is 856314787. The reversal of 856314773 is 377413658.

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

It is a cyclic number.

It is not a de Polignac number, because 856314773 - 2¹⁶ = 856249237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856314703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325403 + ... + 328023.

It is an arithmetic number, because the mean of its divisors is an integer number (107606880).

Almost surely, 2^856314773 is an apocalyptic number.

It is an amenable number.

856314773 is a deficient number, since it is larger than the sum of its proper divisors (4540267).

856314773 is a wasteful number, since it uses less digits than its factorization.

856314773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its digits is 423360, while the sum is 44.

The square root of 856314773 is about 29262.8565420398. The cubic root of 856314773 is about 949.6082495568.

The spelling of 856314773 in words is "eight hundred fifty-six million, three hundred fourteen thousand, seven hundred seventy-three".