8461367687 has 16 divisors (see below), whose sum is σ = 9074993760. Its totient is φ = 7860790272.

The previous prime is 8461367669. The next prime is 8461367693. The reversal of 8461367687 is 7867631648.

It is a cyclic number.

It is not a de Polignac number, because 8461367687 - 2¹² = 8461363591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461367647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353163 + ... + 2356755.

It is an arithmetic number, because the mean of its divisors is an integer number (567187110).

Almost surely, 2^8461367687 is an apocalyptic number.

8461367687 is a deficient number, since it is larger than the sum of its proper divisors (613626073).

8461367687 is a wasteful number, since it uses less digits than its factorization.

8461367687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362.

The product of its digits is 8128512, while the sum is 56.

The square root of 8461367687 is about 91985.6928386149. The cubic root of 8461367687 is about 2037.7310162087.

The spelling of 8461367687 in words is "eight billion, four hundred sixty-one million, three hundred sixty-seven thousand, six hundred eighty-seven".