2820873802 has 16 divisors (see below), whose sum is σ = 4312886472. Its totient is φ = 1383266560.

The previous prime is 2820873751. The next prime is 2820873829. The reversal of 2820873802 is 2083780282.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2018794761 + 802079041 = 44931^2 + 28321^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 407958 + ... + 414814.

Almost surely, 2^2820873802 is an apocalyptic number.

2820873802 is a deficient number, since it is larger than the sum of its proper divisors (1492012670).

2820873802 is a wasteful number, since it uses less digits than its factorization.

2820873802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 2820873802 is about 53111.8988739811. The cubic root of 2820873802 is about 1412.9535529626.

The spelling of 2820873802 in words is "two billion, eight hundred twenty million, eight hundred seventy-three thousand, eight hundred two".