1078730287 has 2 divisors, whose sum is σ = 1078730288. Its totient is φ = 1078730286.

The previous prime is 1078730269. The next prime is 1078730297. The reversal of 1078730287 is 7820378701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078730287 is a prime.

It is a super-3 number, since 3×1078730287³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078730297) 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, 539365143 + 539365144.

It is an arithmetic number, because the mean of its divisors is an integer number (539365144).

Almost surely, 2^1078730287 is an apocalyptic number.

1078730287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078730287 is an equidigital number, since it uses as much as digits as its factorization.

1078730287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 1078730287 is about 32844.0297009974. The cubic root of 1078730287 is about 1025.5833402095.

The spelling of 1078730287 in words is "one billion, seventy-eight million, seven hundred thirty thousand, two hundred eighty-seven".