1283200278977 has 4 divisors (see below), whose sum is σ = 1317881367636. Its totient is φ = 1248519190320.

The previous prime is 1283200278961. The next prime is 1283200279033. The reversal of 1283200278977 is 7798720023821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 515536924081 + 767663354896 = 718009^2 + 876164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283200278977 - 2⁴ = 1283200278961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283200275977) 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 3 ways as a sum of consecutive naturals, for example, 17340544274 + ... + 17340544347.

It is an arithmetic number, because the mean of its divisors is an integer number (329470341909).

Almost surely, 2^{1283200278977} is an apocalyptic number.

It is an amenable number.

1283200278977 is a deficient number, since it is larger than the sum of its proper divisors (34681088659).

1283200278977 is an equidigital number, since it uses as much as digits as its factorization.

1283200278977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681088658.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The spelling of 1283200278977 in words is "one trillion, two hundred eighty-three billion, two hundred million, two hundred seventy-eight thousand, nine hundred seventy-seven".