216750887 has 8 divisors (see below), whose sum is σ = 226763712. Its totient is φ = 206963200.

The previous prime is 216750869. The next prime is 216750889. The reversal of 216750887 is 788057612.

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 216750887 - 2⁸ = 216750631 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 (216750889) 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, 54314 + ... + 58167.

It is an arithmetic number, because the mean of its divisors is an integer number (28345464).

Almost surely, 2^216750887 is an apocalyptic number.

216750887 is a deficient number, since it is larger than the sum of its proper divisors (10012825).

216750887 is a wasteful number, since it uses less digits than its factorization.

216750887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112569.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 216750887 is about 14722.4619884040. The cubic root of 216750887 is about 600.6944616357.

The spelling of 216750887 in words is "two hundred sixteen million, seven hundred fifty thousand, eight hundred eighty-seven".