847660808641 has 8 divisors (see below), whose sum is σ = 895172443200. Its totient is φ = 801037242192.

The previous prime is 847660808633. The next prime is 847660808647. The reversal of 847660808641 is 146808066748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 847660808641 - 2³ = 847660808633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (847660808647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222015066 + ... + 222018883.

It is an arithmetic number, because the mean of its divisors is an integer number (111896555400).

Almost surely, 2^847660808641 is an apocalyptic number.

It is an amenable number.

847660808641 is a deficient number, since it is larger than the sum of its proper divisors (47511634559).

847660808641 is a wasteful number, since it uses less digits than its factorization.

847660808641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444034055.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 847660808641 in words is "eight hundred forty-seven billion, six hundred sixty million, eight hundred eight thousand, six hundred forty-one".