216775335 has 16 divisors (see below), whose sum is σ = 396389376. Its totient is φ = 99097248.

The previous prime is 216775331. The next prime is 216775367. The reversal of 216775335 is 533577612.

It is not a de Polignac number, because 216775335 - 2² = 216775331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216775293 and 216775302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216775331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032159 + ... + 1032368.

It is an arithmetic number, because the mean of its divisors is an integer number (24774336).

Almost surely, 2^216775335 is an apocalyptic number.

216775335 is a deficient number, since it is larger than the sum of its proper divisors (179614041).

216775335 is a wasteful number, since it uses less digits than its factorization.

216775335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064542.

The product of its digits is 132300, while the sum is 39.

The square root of 216775335 is about 14723.2922609041. The cubic root of 216775335 is about 600.7170455126.

The spelling of 216775335 in words is "two hundred sixteen million, seven hundred seventy-five thousand, three hundred thirty-five".