1084778771359 has 2 divisors, whose sum is σ = 1084778771360. Its totient is φ = 1084778771358.

The previous prime is 1084778771347. The next prime is 1084778771429. The reversal of 1084778771359 is 9531778774801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1084778771359 - 2⁷ = 1084778771231 is a prime.

It is a super-2 number, since 2×1084778771359² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1084778771294 and 1084778771303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084778271359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542389385679 + 542389385680.

It is an arithmetic number, because the mean of its divisors is an integer number (542389385680).

Almost surely, 2^{1084778771359} is an apocalyptic number.

1084778771359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084778771359 is an equidigital number, since it uses as much as digits as its factorization.

1084778771359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82978560, while the sum is 67.

The spelling of 1084778771359 in words is "one trillion, eighty-four billion, seven hundred seventy-eight million, seven hundred seventy-one thousand, three hundred fifty-nine".