280117347223759 has 2 divisors, whose sum is σ = 280117347223760. Its totient is φ = 280117347223758.

The previous prime is 280117347223757. The next prime is 280117347223789. The reversal of 280117347223759 is 957322743711082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280117347223759 - 2¹ = 280117347223757 is a prime.

Together with 280117347223757, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 280117347223697 and 280117347223706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280117347223757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140058673611879 + 140058673611880.

It is an arithmetic number, because the mean of its divisors is an integer number (140058673611880).

Almost surely, 2^{280117347223759} is an apocalyptic number.

280117347223759 is a deficient number, since it is larger than the sum of its proper divisors (1).

280117347223759 is an equidigital number, since it uses as much as digits as its factorization.

280117347223759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 280117347223759 in words is "two hundred eighty trillion, one hundred seventeen billion, three hundred forty-seven million, two hundred twenty-three thousand, seven hundred fifty-nine".