2827872565 has 48 divisors (see below), whose sum is σ = 4218706800. Its totient is φ = 1808013312.

The previous prime is 2827872557. The next prime is 2827872571. The reversal of 2827872565 is 5652787282.

2827872565 is digitally balanced in base 2, 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 8 ways, for example, as 91431844 + 2736440721 = 9562^2 + 52311^2 .

It is not a de Polignac number, because 2827872565 - 2³ = 2827872557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 450871 + ... + 457099.

It is an arithmetic number, because the mean of its divisors is an integer number (87889725).

Almost surely, 2^2827872565 is an apocalyptic number.

It is an amenable number.

2827872565 is a deficient number, since it is larger than the sum of its proper divisors (1390834235).

2827872565 is a wasteful number, since it uses less digits than its factorization.

2827872565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374 (or 6367 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The square root of 2827872565 is about 53177.7450161249. The cubic root of 2827872565 is about 1414.1211297075.

The spelling of 2827872565 in words is "two billion, eight hundred twenty-seven million, eight hundred seventy-two thousand, five hundred sixty-five".