8587413481 has 2 divisors, whose sum is σ = 8587413482. Its totient is φ = 8587413480.

The previous prime is 8587413449. The next prime is 8587413487. The reversal of 8587413481 is 1843147858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8581243225 + 6170256 = 92635^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 8587413481 - 2⁵ = 8587413449 is a prime.

It is a super-2 number, since 2×8587413481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8587413487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293706740 + 4293706741.

It is an arithmetic number, because the mean of its divisors is an integer number (4293706741).

Almost surely, 2^8587413481 is an apocalyptic number.

It is an amenable number.

8587413481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8587413481 is an equidigital number, since it uses as much as digits as its factorization.

8587413481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 49.

The square root of 8587413481 is about 92668.2981445111. The cubic root of 8587413481 is about 2047.7996204944.

The spelling of 8587413481 in words is "eight billion, five hundred eighty-seven million, four hundred thirteen thousand, four hundred eighty-one".