210211827838 has 8 divisors (see below), whose sum is σ = 316671037488. Its totient is φ = 104654815344.

The previous prime is 210211827797. The next prime is 210211827877. The reversal of 210211827838 is 838728112012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210211827794 and 210211827803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225548706 + ... + 225549637.

It is an arithmetic number, because the mean of its divisors is an integer number (39583879686).

Almost surely, 2^210211827838 is an apocalyptic number.

210211827838 is a deficient number, since it is larger than the sum of its proper divisors (106459209650).

210211827838 is a wasteful number, since it uses less digits than its factorization.

210211827838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451098578.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 210211827838 in words is "two hundred ten billion, two hundred eleven million, eight hundred twenty-seven thousand, eight hundred thirty-eight".