868767 has 4 divisors (see below), whose sum is σ = 1158360. Its totient is φ = 579176.

The previous prime is 868741. The next prime is 868771. The reversal of 868767 is 767868.

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 868767 - 2⁷ = 868639 is a prime.

It is a super-2 number, since 2×868767² = 1509512200578, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868767.

It is not an unprimeable number, because it can be changed into a prime (868727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144792 + ... + 144797.

It is an arithmetic number, because the mean of its divisors is an integer number (289590).

2⁸⁶⁸⁷⁶⁷ is an apocalyptic number.

868767 is a deficient number, since it is larger than the sum of its proper divisors (289593).

868767 is a wasteful number, since it uses less digits than its factorization.

868767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289592.

The product of its digits is 112896, while the sum is 42.

The square root of 868767 is about 932.0767135810. The cubic root of 868767 is about 95.4189072485.

The spelling of 868767 in words is "eight hundred sixty-eight thousand, seven hundred sixty-seven".