8587211641 has 2 divisors, whose sum is σ = 8587211642. Its totient is φ = 8587211640.

The previous prime is 8587211587. The next prime is 8587211651. The reversal of 8587211641 is 1461127858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5223675625 + 3363536016 = 72275^2 + 57996^2 .

It is a cyclic number.

It is not a de Polignac number, because 8587211641 - 2¹⁹ = 8586687353 is a prime.

It is not a weakly prime, because it can be changed into another prime (8587211651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293605820 + 4293605821.

It is an arithmetic number, because the mean of its divisors is an integer number (4293605821).

Almost surely, 2^8587211641 is an apocalyptic number.

It is an amenable number.

8587211641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8587211641 is an equidigital number, since it uses as much as digits as its factorization.

8587211641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 43.

The square root of 8587211641 is about 92667.2090925372. The cubic root of 8587211641 is about 2047.7835764273.

The spelling of 8587211641 in words is "eight billion, five hundred eighty-seven million, two hundred eleven thousand, six hundred forty-one".