1087042777349 has 2 divisors, whose sum is σ = 1087042777350. Its totient is φ = 1087042777348.

The previous prime is 1087042777297. The next prime is 1087042777409. The reversal of 1087042777349 is 9437772407801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821709616324 + 265333161025 = 906482^2 + 515105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087042777349 - 2¹² = 1087042773253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087042776349) 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 as a sum of consecutive naturals, namely, 543521388674 + 543521388675.

It is an arithmetic number, because the mean of its divisors is an integer number (543521388675).

Almost surely, 2^{1087042777349} is an apocalyptic number.

It is an amenable number.

1087042777349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087042777349 is an equidigital number, since it uses as much as digits as its factorization.

1087042777349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16595712, while the sum is 59.

The spelling of 1087042777349 in words is "one trillion, eighty-seven billion, forty-two million, seven hundred seventy-seven thousand, three hundred forty-nine".