212063863 has 8 divisors (see below), whose sum is σ = 239320080. Its totient is φ = 186137280.

The previous prime is 212063851. The next prime is 212063867. The reversal of 212063863 is 368360212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212063863 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 (212063867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332070 + ... + 332707.

It is an arithmetic number, because the mean of its divisors is an integer number (29915010).

Almost surely, 2^212063863 is an apocalyptic number.

212063863 is a deficient number, since it is larger than the sum of its proper divisors (27256217).

212063863 is a wasteful number, since it uses less digits than its factorization.

212063863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664817.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 212063863 is about 14562.4126778498. The cubic root of 212063863 is about 596.3330636549. Note that the first 3 decimals are identical.

The spelling of 212063863 in words is "two hundred twelve million, sixty-three thousand, eight hundred sixty-three".