868042688611 has 4 divisors (see below), whose sum is σ = 992048786992. Its totient is φ = 744036590232.

The previous prime is 868042688561. The next prime is 868042688633. The reversal of 868042688611 is 116886240868.

It is a happy number.

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 868042688611 - 2³³ = 859452754019 is a prime.

It is a super-3 number, since 3×868042688611³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868042688651) 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, 62003049180 + ... + 62003049193.

It is an arithmetic number, because the mean of its divisors is an integer number (248012196748).

Almost surely, 2^868042688611 is an apocalyptic number.

868042688611 is a deficient number, since it is larger than the sum of its proper divisors (124006098381).

868042688611 is a wasteful number, since it uses less digits than its factorization.

868042688611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124006098380.

The product of its (nonzero) digits is 7077888, while the sum is 58.

The spelling of 868042688611 in words is "eight hundred sixty-eight billion, forty-two million, six hundred eighty-eight thousand, six hundred eleven".