868516727 has 4 divisors (see below), whose sum is σ = 935325720. Its totient is φ = 801707736.

The previous prime is 868516721. The next prime is 868516741. The reversal of 868516727 is 727615868.

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 868516727 - 2⁴ = 868516711 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 (868516721) 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, 33404477 + ... + 33404502.

It is an arithmetic number, because the mean of its divisors is an integer number (233831430).

Almost surely, 2^868516727 is an apocalyptic number.

868516727 is a deficient number, since it is larger than the sum of its proper divisors (66808993).

868516727 is a wasteful number, since it uses less digits than its factorization.

868516727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66808992.

The product of its digits is 1128960, while the sum is 50.

The square root of 868516727 is about 29470.6078491775. The cubic root of 868516727 is about 954.0974366006.

The spelling of 868516727 in words is "eight hundred sixty-eight million, five hundred sixteen thousand, seven hundred twenty-seven".