8277742218516 has 12 divisors (see below), whose sum is σ = 19314731843232. Its totient is φ = 2759247406168.

The previous prime is 8277742218509. The next prime is 8277742218517. The reversal of 8277742218516 is 6158122477728.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×8277742218516³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8277742218516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8277742218517) 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 in 3 ways as a sum of consecutive naturals, for example, 344905925760 + ... + 344905925783.

It is an arithmetic number, because the mean of its divisors is an integer number (1609560986936).

Almost surely, 2^{8277742218516} is an apocalyptic number.

It is an amenable number.

8277742218516 is an abundant number, since it is smaller than the sum of its proper divisors (11036989624716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8277742218516 is a wasteful number, since it uses less digits than its factorization.

8277742218516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689811851550 (or 689811851548 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 60.

The spelling of 8277742218516 in words is "eight trillion, two hundred seventy-seven billion, seven hundred forty-two million, two hundred eighteen thousand, five hundred sixteen".