1078486517 has 2 divisors, whose sum is σ = 1078486518. Its totient is φ = 1078486516.

The previous prime is 1078486499. The next prime is 1078486571. The reversal of 1078486517 is 7156848701.

Together with next prime (1078486571) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831399556 + 247086961 = 28834^2 + 15719^2 .

It is an emirp because it is prime and its reverse (7156848701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1078486517 - 2¹⁸ = 1078224373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078686517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539243258 + 539243259.

It is an arithmetic number, because the mean of its divisors is an integer number (539243259).

Almost surely, 2^1078486517 is an apocalyptic number.

It is an amenable number.

1078486517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078486517 is an equidigital number, since it uses as much as digits as its factorization.

1078486517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 1078486517 is about 32840.3184667871. The cubic root of 1078486517 is about 1025.5060810811.

The spelling of 1078486517 in words is "one billion, seventy-eight million, four hundred eighty-six thousand, five hundred seventeen".