8461538587 has 2 divisors, whose sum is σ = 8461538588. Its totient is φ = 8461538586.

The previous prime is 8461538531. The next prime is 8461538633. The reversal of 8461538587 is 7858351648.

8461538587 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8461538587 - 2¹⁹ = 8461014299 is a prime.

It is not a weakly prime, because it can be changed into another prime (8461530587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230769293 + 4230769294.

It is an arithmetic number, because the mean of its divisors is an integer number (4230769294).

Almost surely, 2^8461538587 is an apocalyptic number.

8461538587 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461538587 is an equidigital number, since it uses as much as digits as its factorization.

8461538587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 55.

The square root of 8461538587 is about 91986.6217827353. The cubic root of 8461538587 is about 2037.7447352629.

The spelling of 8461538587 in words is "eight billion, four hundred sixty-one million, five hundred thirty-eight thousand, five hundred eighty-seven".