216863795 has 4 divisors (see below), whose sum is σ = 260236560. Its totient is φ = 173491032.

The previous prime is 216863789. The next prime is 216863797. The reversal of 216863795 is 597368612.

216863795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216863795 - 2¹⁶ = 216798259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216863797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21686375 + ... + 21686384.

It is an arithmetic number, because the mean of its divisors is an integer number (65059140).

Almost surely, 2^216863795 is an apocalyptic number.

216863795 is a deficient number, since it is larger than the sum of its proper divisors (43372765).

216863795 is an equidigital number, since it uses as much as digits as its factorization.

216863795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43372764.

The product of its digits is 544320, while the sum is 47.

The square root of 216863795 is about 14726.2960380403. The cubic root of 216863795 is about 600.7987463870.

The spelling of 216863795 in words is "two hundred sixteen million, eight hundred sixty-three thousand, seven hundred ninety-five".