2805077805 has 16 divisors (see below), whose sum is σ = 4491985344. Its totient is φ = 1494754560.

The previous prime is 2805077797. The next prime is 2805077813. The reversal of 2805077805 is 5087705082.

It is a happy number.

2805077805 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2805077797) and next prime (2805077813).

It is not a de Polignac number, because 2805077805 - 2³ = 2805077797 is a prime.

It is a super-2 number, since 2×2805077805² = 15736922984207236050, which 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 15 ways as a sum of consecutive naturals, for example, 62284 + ... + 97413.

It is an arithmetic number, because the mean of its divisors is an integer number (280749084).

Almost surely, 2^2805077805 is an apocalyptic number.

It is an amenable number.

2805077805 is a deficient number, since it is larger than the sum of its proper divisors (1686907539).

2805077805 is a wasteful number, since it uses less digits than its factorization.

2805077805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160876.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 2805077805 is about 52962.9852349733. The cubic root of 2805077805 is about 1410.3112511408.

The spelling of 2805077805 in words is "two billion, eight hundred five million, seventy-seven thousand, eight hundred five".