872357986211 has 4 divisors (see below), whose sum is σ = 872365254024. Its totient is φ = 872350718400.

The previous prime is 872357986187. The next prime is 872357986219. The reversal of 872357986211 is 112689753278.

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-872357986211 is a prime.

It is a super-2 number, since 2×872357986211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872357986219) 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, 3450785 + ... + 3694946.

It is an arithmetic number, because the mean of its divisors is an integer number (218091313506).

Almost surely, 2^872357986211 is an apocalyptic number.

872357986211 is a deficient number, since it is larger than the sum of its proper divisors (7267813).

872357986211 is a wasteful number, since it uses less digits than its factorization.

872357986211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267812.

The product of its digits is 10160640, while the sum is 59.

The spelling of 872357986211 in words is "eight hundred seventy-two billion, three hundred fifty-seven million, nine hundred eighty-six thousand, two hundred eleven".