2820867795 has 16 divisors (see below), whose sum is σ = 5014876320. Its totient is φ = 1504462752.

The previous prime is 2820867793. The next prime is 2820867809. The reversal of 2820867795 is 5977680282.

It is a happy number.

It is not a de Polignac number, because 2820867795 - 2¹ = 2820867793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2820867793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10447524 + ... + 10447793.

It is an arithmetic number, because the mean of its divisors is an integer number (313429770).

Almost surely, 2^2820867795 is an apocalyptic number.

2820867795 is a deficient number, since it is larger than the sum of its proper divisors (2194008525).

2820867795 is a wasteful number, since it uses less digits than its factorization.

2820867795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20895331 (or 20895325 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 2820867795 is about 53111.8423235346. The cubic root of 2820867795 is about 1412.9525500089.

The spelling of 2820867795 in words is "two billion, eight hundred twenty million, eight hundred sixty-seven thousand, seven hundred ninety-five".