280055305307 has 2 divisors, whose sum is σ = 280055305308. Its totient is φ = 280055305306.

The previous prime is 280055305273. The next prime is 280055305331. The reversal of 280055305307 is 703503550082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280055305307 - 2¹⁶ = 280055239771 is a prime.

It is not a weakly prime, because it can be changed into another prime (280055365307) 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, 140027652653 + 140027652654.

It is an arithmetic number, because the mean of its divisors is an integer number (140027652654).

Almost surely, 2^280055305307 is an apocalyptic number.

280055305307 is a deficient number, since it is larger than the sum of its proper divisors (1).

280055305307 is an equidigital number, since it uses as much as digits as its factorization.

280055305307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

Adding to 280055305307 its reverse (703503550082), we get a palindrome (983558855389).

The spelling of 280055305307 in words is "two hundred eighty billion, fifty-five million, three hundred five thousand, three hundred seven".