268217871 has 8 divisors (see below), whose sum is σ = 361096320. Its totient is φ = 177075672.

The previous prime is 268217843. The next prime is 268217879. The reversal of 268217871 is 178712862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268217871 - 2¹⁰ = 268216847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268217879) 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, 433701 + ... + 434318.

It is an arithmetic number, because the mean of its divisors is an integer number (45137040).

Almost surely, 2^268217871 is an apocalyptic number.

268217871 is a deficient number, since it is larger than the sum of its proper divisors (92878449).

268217871 is a wasteful number, since it uses less digits than its factorization.

268217871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868125.

The product of its digits is 75264, while the sum is 42.

The square root of 268217871 is about 16377.3584866425. The cubic root of 268217871 is about 644.9052369645.

The spelling of 268217871 in words is "two hundred sixty-eight million, two hundred seventeen thousand, eight hundred seventy-one".