282778973 has 2 divisors, whose sum is σ = 282778974. Its totient is φ = 282778972.

The previous prime is 282778967. The next prime is 282779017. The reversal of 282778973 is 379877282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250209124 + 32569849 = 15818^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 282778973 - 2¹⁶ = 282713437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282778963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141389486 + 141389487.

It is an arithmetic number, because the mean of its divisors is an integer number (141389487).

Almost surely, 2^282778973 is an apocalyptic number.

It is an amenable number.

282778973 is a deficient number, since it is larger than the sum of its proper divisors (1).

282778973 is an equidigital number, since it uses as much as digits as its factorization.

282778973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 282778973 is about 16816.0332123839. The cubic root of 282778973 is about 656.3704755021.

The spelling of 282778973 in words is "two hundred eighty-two million, seven hundred seventy-eight thousand, nine hundred seventy-three".