8541316779 has 8 divisors (see below), whose sum is σ = 11581446720. Its totient is φ = 5597699016.

The previous prime is 8541316741. The next prime is 8541316811. The reversal of 8541316779 is 9776131458.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8541316779 - 2⁸ = 8541316523 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8541316709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24127837 + ... + 24128190.

It is an arithmetic number, because the mean of its divisors is an integer number (1447680840).

Almost surely, 2^8541316779 is an apocalyptic number.

8541316779 is a deficient number, since it is larger than the sum of its proper divisors (3040129941).

8541316779 is a wasteful number, since it uses less digits than its factorization.

8541316779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48256089.

The product of its digits is 1270080, while the sum is 51.

The square root of 8541316779 is about 92419.2446355195. The cubic root of 8541316779 is about 2044.1288908469.

The spelling of 8541316779 in words is "eight billion, five hundred forty-one million, three hundred sixteen thousand, seven hundred seventy-nine".