216848767 has 8 divisors (see below), whose sum is σ = 230828400. Its totient is φ = 203125824.

The previous prime is 216848743. The next prime is 216848771. The reversal of 216848767 is 767848612.

It is a happy number.

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-216848767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216848767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216858767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62428 + ... + 65809.

It is an arithmetic number, because the mean of its divisors is an integer number (28853550).

Almost surely, 2^216848767 is an apocalyptic number.

216848767 is a deficient number, since it is larger than the sum of its proper divisors (13979633).

216848767 is a wasteful number, since it uses less digits than its factorization.

216848767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128345.

The product of its digits is 903168, while the sum is 49.

The square root of 216848767 is about 14725.7857854853. The cubic root of 216848767 is about 600.7848682258.

The spelling of 216848767 in words is "two hundred sixteen million, eight hundred forty-eight thousand, seven hundred sixty-seven".