869241000847 has 4 divisors (see below), whose sum is σ = 871118411680. Its totient is φ = 867363590016.

The previous prime is 869241000841. The next prime is 869241000857. The reversal of 869241000847 is 748000142968.

It is a happy number.

869241000847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869241000847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 869241000847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869241000841) 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, 938704722 + ... + 938705647.

It is an arithmetic number, because the mean of its divisors is an integer number (217779602920).

Almost surely, 2^869241000847 is an apocalyptic number.

869241000847 is a deficient number, since it is larger than the sum of its proper divisors (1877410833).

869241000847 is a wasteful number, since it uses less digits than its factorization.

869241000847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877410832.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 869241000847 in words is "eight hundred sixty-nine billion, two hundred forty-one million, eight hundred forty-seven", and thus it is an aban number.