868378267 has 4 divisors (see below), whose sum is σ = 868620280. Its totient is φ = 868136256.

The previous prime is 868378229. The next prime is 868378283. The reversal of 868378267 is 762873868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868378267 - 2¹⁹ = 867853979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868378297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115542 + ... + 122827.

It is an arithmetic number, because the mean of its divisors is an integer number (217155070).

Almost surely, 2^868378267 is an apocalyptic number.

868378267 is a deficient number, since it is larger than the sum of its proper divisors (242013).

868378267 is a wasteful number, since it uses less digits than its factorization.

868378267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242012.

The product of its digits is 5419008, while the sum is 55.

The square root of 868378267 is about 29468.2586353520. The cubic root of 868378267 is about 954.0467327789.

The spelling of 868378267 in words is "eight hundred sixty-eight million, three hundred seventy-eight thousand, two hundred sixty-seven".