282878641 has 2 divisors, whose sum is σ = 282878642. Its totient is φ = 282878640.

The previous prime is 282878599. The next prime is 282878681. The reversal of 282878641 is 146878282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258277041 + 24601600 = 16071^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 282878641 - 2¹¹ = 282876593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 282878591 and 282878600.

It is not a weakly prime, because it can be changed into another prime (282878681) 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 as a sum of consecutive naturals, namely, 141439320 + 141439321.

It is an arithmetic number, because the mean of its divisors is an integer number (141439321).

Almost surely, 2^282878641 is an apocalyptic number.

It is an amenable number.

282878641 is a deficient number, since it is larger than the sum of its proper divisors (1).

282878641 is an equidigital number, since it uses as much as digits as its factorization.

282878641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 46.

The square root of 282878641 is about 16818.9964326056. The cubic root of 282878641 is about 656.4475810091.

The spelling of 282878641 in words is "two hundred eighty-two million, eight hundred seventy-eight thousand, six hundred forty-one".