1382275807777 has 4 divisors (see below), whose sum is σ = 1383640345620. Its totient is φ = 1380911269936.

The previous prime is 1382275807771. The next prime is 1382275807793. The reversal of 1382275807777 is 7777085722831.

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 278429296896 + 1103846510881 = 527664^2 + 1050641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382275807777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382275807771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682267402 + ... + 682269427.

It is an arithmetic number, because the mean of its divisors is an integer number (345910086405).

Almost surely, 2^{1382275807777} is an apocalyptic number.

It is an amenable number.

1382275807777 is a deficient number, since it is larger than the sum of its proper divisors (1364537843).

1382275807777 is a wasteful number, since it uses less digits than its factorization.

1382275807777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364537842.

The product of its (nonzero) digits is 64538880, while the sum is 64.

The spelling of 1382275807777 in words is "one trillion, three hundred eighty-two billion, two hundred seventy-five million, eight hundred seven thousand, seven hundred seventy-seven".