2805535805 has 8 divisors (see below), whose sum is σ = 3475244544. Its totient is φ = 2172027600.

The previous prime is 2805535783. The next prime is 2805535847. The reversal of 2805535805 is 5085355082.

2805535805 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 not a de Polignac number, because 2805535805 - 2¹⁸ = 2805273661 is a prime.

It is a Duffinian number.

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, 9049961 + ... + 9050270.

It is an arithmetic number, because the mean of its divisors is an integer number (434405568).

Almost surely, 2^2805535805 is an apocalyptic number.

It is an amenable number.

2805535805 is a deficient number, since it is larger than the sum of its proper divisors (669708739).

2805535805 is a wasteful number, since it uses less digits than its factorization.

2805535805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18100267.

The product of its (nonzero) digits is 240000, while the sum is 41.

The square root of 2805535805 is about 52967.3088329018. The cubic root of 2805535805 is about 1410.3880033080.

The spelling of 2805535805 in words is "two billion, eight hundred five million, five hundred thirty-five thousand, eight hundred five".