1078217386339 has 2 divisors, whose sum is σ = 1078217386340. Its totient is φ = 1078217386338.

The previous prime is 1078217386313. The next prime is 1078217386381. The reversal of 1078217386339 is 9336837128701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078217386339 - 2¹⁵ = 1078217353571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078217386439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539108693169 + 539108693170.

It is an arithmetic number, because the mean of its divisors is an integer number (539108693170).

Almost surely, 2^{1078217386339} is an apocalyptic number.

1078217386339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078217386339 is an equidigital number, since it uses as much as digits as its factorization.

1078217386339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 1078217386339 in words is "one trillion, seventy-eight billion, two hundred seventeen million, three hundred eighty-six thousand, three hundred thirty-nine".