856372814 has 16 divisors (see below), whose sum is σ = 1402044336. Its totient is φ = 389064000.

The previous prime is 856372763. The next prime is 856372817. The reversal of 856372814 is 418273658.

856372814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856372817) 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, 40514 + ... + 57914.

It is an arithmetic number, because the mean of its divisors is an integer number (87627771).

Almost surely, 2^856372814 is an apocalyptic number.

856372814 is a deficient number, since it is larger than the sum of its proper divisors (545671522).

856372814 is a wasteful number, since it uses less digits than its factorization.

856372814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651.

The product of its digits is 322560, while the sum is 44.

The square root of 856372814 is about 29263.8482431822. The cubic root of 856372814 is about 949.6297038822.

The spelling of 856372814 in words is "eight hundred fifty-six million, three hundred seventy-two thousand, eight hundred fourteen".