8555955805 has 8 divisors (see below), whose sum is σ = 10293543000. Its totient is φ = 6827167296.

The previous prime is 8555955791. The next prime is 8555955827. The reversal of 8555955805 is 5085595558.

8555955805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 719634276 + 7836321529 = 26826^2 + 88523^2 .

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 8555955805 - 2⁵ = 8555955773 is a prime.

It is a super-2 number, since 2×8555955805² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197530 + ... + 2201419.

It is an arithmetic number, because the mean of its divisors is an integer number (1286692875).

Almost surely, 2^8555955805 is an apocalyptic number.

It is an amenable number.

8555955805 is a deficient number, since it is larger than the sum of its proper divisors (1737587195).

8555955805 is a wasteful number, since it uses less digits than its factorization.

8555955805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399343.

The product of its (nonzero) digits is 9000000, while the sum is 55.

The square root of 8555955805 is about 92498.4097430869. The cubic root of 8555955805 is about 2045.2960401802.

The spelling of 8555955805 in words is "eight billion, five hundred fifty-five million, nine hundred fifty-five thousand, eight hundred five".