2862985205 has 6 divisors (see below), whose sum is σ = 3435725826. Its totient is φ = 2290292448.

The previous prime is 2862985159. The next prime is 2862985211. The reversal of 2862985205 is 5025892682.

It can be written as a sum of positive squares in 3 ways, for example, as 698967844 + 2164017361 = 26438^2 + 46519^2 .

It is not a de Polignac number, because 2862985205 - 2¹⁰ = 2862984181 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 2862985205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107681 + ... + 131609.

It is an arithmetic number, because the mean of its divisors is an integer number (572620971).

Almost surely, 2^2862985205 is an apocalyptic number.

It is an amenable number.

2862985205 is a deficient number, since it is larger than the sum of its proper divisors (572740621).

2862985205 is an frugal number, since it uses more digits than its factorization.

2862985205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47863 (or 23934 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2862985205 is about 53506.8706335925. The cubic root of 2862985205 is about 1419.9499428562.

The spelling of 2862985205 in words is "two billion, eight hundred sixty-two million, nine hundred eighty-five thousand, two hundred five".