216752887 has 8 divisors (see below), whose sum is σ = 233616096. Its totient is φ = 199916832.

The previous prime is 216752863. The next prime is 216752927. The reversal of 216752887 is 788257612.

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 216752887 - 2¹¹ = 216750839 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 (216752087) 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, 11673 + ... + 23869.

It is an arithmetic number, because the mean of its divisors is an integer number (29202012).

Almost surely, 2^216752887 is an apocalyptic number.

216752887 is a deficient number, since it is larger than the sum of its proper divisors (16863209).

216752887 is a wasteful number, since it uses less digits than its factorization.

216752887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577.

The product of its digits is 376320, while the sum is 46.

The square root of 216752887 is about 14722.5299116694. The cubic root of 216752887 is about 600.6963092025.

The spelling of 216752887 in words is "two hundred sixteen million, seven hundred fifty-two thousand, eight hundred eighty-seven".