856722718483 has 4 divisors (see below), whose sum is σ = 856993579288. Its totient is φ = 856451857680.

The previous prime is 856722718447. The next prime is 856722718531. The reversal of 856722718483 is 384817227658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856722718483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856722718403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135425658 + ... + 135431983.

It is an arithmetic number, because the mean of its divisors is an integer number (214248394822).

Almost surely, 2^856722718483 is an apocalyptic number.

856722718483 is a deficient number, since it is larger than the sum of its proper divisors (270860805).

856722718483 is a wasteful number, since it uses less digits than its factorization.

856722718483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270860804.

The product of its digits is 36126720, while the sum is 61.

The spelling of 856722718483 in words is "eight hundred fifty-six billion, seven hundred twenty-two million, seven hundred eighteen thousand, four hundred eighty-three".