805505505 has 32 divisors (see below), whose sum is σ = 1504272384. Its totient is φ = 360394176.

The previous prime is 805505483. The next prime is 805505521. The reversal of 805505505 is 505505508.

805505505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805505505 - 2⁷ = 805505377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76677 + ... + 86546.

It is an arithmetic number, because the mean of its divisors is an integer number (47008512).

Almost surely, 2^805505505 is an apocalyptic number.

It is an amenable number.

805505505 is a deficient number, since it is larger than the sum of its proper divisors (698766879).

805505505 is a wasteful number, since it uses less digits than its factorization.

805505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163285.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 805505505 is about 28381.4288752346. The cubic root of 805505505 is about 930.4424244808.

The spelling of 805505505 in words is "eight hundred five million, five hundred five thousand, five hundred five".