1086487217 has 4 divisors (see below), whose sum is σ = 1087323636. Its totient is φ = 1085650800.

The previous prime is 1086487211. The next prime is 1086487223. The reversal of 1086487217 is 7127846801.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1086487211) and next prime (1086487223).

It can be written as a sum of positive squares in 2 ways, for example, as 453008656 + 633478561 = 21284^2 + 25169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086487217 - 2¹² = 1086483121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086487211) 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 in 3 ways as a sum of consecutive naturals, for example, 416258 + ... + 418859.

It is an arithmetic number, because the mean of its divisors is an integer number (271830909).

Almost surely, 2^1086487217 is an apocalyptic number.

It is an amenable number.

1086487217 is a deficient number, since it is larger than the sum of its proper divisors (836419).

1086487217 is an equidigital number, since it uses as much as digits as its factorization.

1086487217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836418.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 1086487217 is about 32961.9055426109. The cubic root of 1086487217 is about 1028.0357250753.

The spelling of 1086487217 in words is "one billion, eighty-six million, four hundred eighty-seven thousand, two hundred seventeen".