808655853847 has 8 divisors (see below), whose sum is σ = 852035974400. Its totient is φ = 765357661944.

The previous prime is 808655853799. The next prime is 808655853883. The reversal of 808655853847 is 748358556808.

808655853847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808655853847 is a prime.

It is a super-2 number, since 2×808655853847² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808655856847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20461893 + ... + 20501374.

It is an arithmetic number, because the mean of its divisors is an integer number (106504496800).

Almost surely, 2^808655853847 is an apocalyptic number.

808655853847 is a deficient number, since it is larger than the sum of its proper divisors (43380120553).

808655853847 is a wasteful number, since it uses less digits than its factorization.

808655853847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40964325.

The product of its (nonzero) digits is 258048000, while the sum is 67.

The spelling of 808655853847 in words is "eight hundred eight billion, six hundred fifty-five million, eight hundred fifty-three thousand, eight hundred forty-seven".