8722343853 has 12 divisors (see below), whose sum is σ = 12624196000. Its totient is φ = 5803239816.

The previous prime is 8722343831. The next prime is 8722343857. The reversal of 8722343853 is 3583432278.

It is not a de Polignac number, because 8722343853 - 2⁵ = 8722343821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8722343799 and 8722343808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722343857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966601 + ... + 975582.

Almost surely, 2^8722343853 is an apocalyptic number.

It is an amenable number.

8722343853 is a deficient number, since it is larger than the sum of its proper divisors (3901852147).

8722343853 is a wasteful number, since it uses less digits than its factorization.

8722343853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942688 (or 1942685 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 8722343853 is about 93393.4893501683. The cubic root of 8722343853 is about 2058.4693324219.

The spelling of 8722343853 in words is "eight billion, seven hundred twenty-two million, three hundred forty-three thousand, eight hundred fifty-three".