1280282366987 has 16 divisors (see below), whose sum is σ = 1460236162560. Its totient is φ = 1112730413472.

The previous prime is 1280282366981. The next prime is 1280282367017. The reversal of 1280282366987 is 7896632820821.

It is a cyclic number.

It is not a de Polignac number, because 1280282366987 - 2¹⁶ = 1280282301451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280282366981) 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 in 15 ways as a sum of consecutive naturals, for example, 15859523 + ... + 15940044.

It is an arithmetic number, because the mean of its divisors is an integer number (91264760160).

Almost surely, 2^{1280282366987} is an apocalyptic number.

1280282366987 is a deficient number, since it is larger than the sum of its proper divisors (179953795573).

1280282366987 is a wasteful number, since it uses less digits than its factorization.

1280282366987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31799762.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 1280282366987 in words is "one trillion, two hundred eighty billion, two hundred eighty-two million, three hundred sixty-six thousand, nine hundred eighty-seven".