1086617089 has 2 divisors, whose sum is σ = 1086617090. Its totient is φ = 1086617088.

The previous prime is 1086617057. The next prime is 1086617099. The reversal of 1086617089 is 9807166801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934341489 + 152275600 = 30567^2 + 12340^2 .

It is an emirp because it is prime and its reverse (9807166801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086617089 - 2⁵ = 1086617057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1086617039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543308544 + 543308545.

It is an arithmetic number, because the mean of its divisors is an integer number (543308545).

Almost surely, 2^1086617089 is an apocalyptic number.

It is an amenable number.

1086617089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086617089 is an equidigital number, since it uses as much as digits as its factorization.

1086617089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 1086617089 is about 32963.8755154791. The cubic root of 1086617089 is about 1028.0766851327.

The spelling of 1086617089 in words is "one billion, eighty-six million, six hundred seventeen thousand, eighty-nine".