868612027 has 4 divisors (see below), whose sum is σ = 868739040. Its totient is φ = 868485016.

The previous prime is 868612009. The next prime is 868612079. The reversal of 868612027 is 720216868.

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 868612027 - 2⁷ = 868611899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868612097) 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, 52627 + ... + 67132.

It is an arithmetic number, because the mean of its divisors is an integer number (217184760).

Almost surely, 2^868612027 is an apocalyptic number.

868612027 is a deficient number, since it is larger than the sum of its proper divisors (127013).

868612027 is a wasteful number, since it uses less digits than its factorization.

868612027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127012.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 868612027 is about 29472.2246700177. The cubic root of 868612027 is about 954.1323321712.

It can be divided in two parts, 86861 and 2027, that added together give a palindrome (88888).

The spelling of 868612027 in words is "eight hundred sixty-eight million, six hundred twelve thousand, twenty-seven".