2828811261 has 8 divisors (see below), whose sum is σ = 3808367680. Its totient is φ = 1867564512.

The previous prime is 2828811259. The next prime is 2828811289. The reversal of 2828811261 is 1621188282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2828811261 - 2¹ = 2828811259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828811761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4577056 + ... + 4577673.

It is an arithmetic number, because the mean of its divisors is an integer number (476045960).

Almost surely, 2^2828811261 is an apocalyptic number.

It is an amenable number.

2828811261 is a deficient number, since it is larger than the sum of its proper divisors (979556419).

2828811261 is a wasteful number, since it uses less digits than its factorization.

2828811261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154835.

The product of its digits is 24576, while the sum is 39.

The square root of 2828811261 is about 53186.5703067983. The cubic root of 2828811261 is about 1414.2775821839.

The spelling of 2828811261 in words is "two billion, eight hundred twenty-eight million, eight hundred eleven thousand, two hundred sixty-one".