211202864 has 10 divisors (see below), whose sum is σ = 409205580. Its totient is φ = 105601424.

The previous prime is 211202863. The next prime is 211202891. The reversal of 211202864 is 468202112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211202861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600074 + ... + 6600105.

It is an arithmetic number, because the mean of its divisors is an integer number (40920558).

Almost surely, 2^211202864 is an apocalyptic number.

It is an amenable number.

211202864 is a deficient number, since it is larger than the sum of its proper divisors (198002716).

211202864 is a wasteful number, since it uses less digits than its factorization.

211202864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200187 (or 13200181 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 211202864 is about 14532.8202355909. The cubic root of 211202864 is about 595.5249130501.

Adding to 211202864 its reverse (468202112), we get a palindrome (679404976).

The spelling of 211202864 in words is "two hundred eleven million, two hundred two thousand, eight hundred sixty-four".