1116378587 has 2 divisors, whose sum is σ = 1116378588. Its totient is φ = 1116378586.

The previous prime is 1116378563. The next prime is 1116378607. The reversal of 1116378587 is 7858736111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116378587 is a prime.

It is a super-2 number, since 2×1116378587² = 2492602299024233138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1116378517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558189293 + 558189294.

It is an arithmetic number, because the mean of its divisors is an integer number (558189294).

Almost surely, 2^1116378587 is an apocalyptic number.

1116378587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116378587 is an equidigital number, since it uses as much as digits as its factorization.

1116378587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 47.

The square root of 1116378587 is about 33412.2520492109. The cubic root of 1116378587 is about 1037.3783162461.

The spelling of 1116378587 in words is "one billion, one hundred sixteen million, three hundred seventy-eight thousand, five hundred eighty-seven".