2828862821 has 2 divisors, whose sum is σ = 2828862822. Its totient is φ = 2828862820.

The previous prime is 2828862733. The next prime is 2828862901. The reversal of 2828862821 is 1282688282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2828750596 + 112225 = 53186^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828862821 - 2¹⁴ = 2828846437 is a prime.

It is a super-4 number, since 4×2828862821⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2828862221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414431410 + 1414431411.

It is an arithmetic number, because the mean of its divisors is an integer number (1414431411).

Almost surely, 2^2828862821 is an apocalyptic number.

It is an amenable number.

2828862821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828862821 is an equidigital number, since it uses as much as digits as its factorization.

2828862821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393216, while the sum is 47.

The square root of 2828862821 is about 53187.0550134147. The cubic root of 2828862821 is about 1414.2861746871.

The spelling of 2828862821 in words is "two billion, eight hundred twenty-eight million, eight hundred sixty-two thousand, eight hundred twenty-one".