211896671 has 8 divisors (see below), whose sum is σ = 246272640. Its totient is φ = 178546968.

The previous prime is 211896661. The next prime is 211896673. The reversal of 211896671 is 176698112.

211896671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 211896671 - 2¹⁴ = 211880287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211896673) 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, 256121 + ... + 256946.

It is an arithmetic number, because the mean of its divisors is an integer number (30784080).

Almost surely, 2^211896671 is an apocalyptic number.

211896671 is a deficient number, since it is larger than the sum of its proper divisors (34375969).

211896671 is an equidigital number, since it uses as much as digits as its factorization.

211896671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513133.

The product of its digits is 36288, while the sum is 41.

The square root of 211896671 is about 14556.6710136624. The cubic root of 211896671 is about 596.1763053251.

It can be divided in two parts, 2118 and 96671, that added together give a palindrome (98789).

The spelling of 211896671 in words is "two hundred eleven million, eight hundred ninety-six thousand, six hundred seventy-one".