8311747668 has 24 divisors (see below), whose sum is σ = 22164660672. Its totient is φ = 2374785024.

The previous prime is 8311747607. The next prime is 8311747669. The reversal of 8311747668 is 8667471138.

It is a self number, because there is not a number n which added to its sum of digits gives 8311747668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8311747669) 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, 49474605 + ... + 49474772.

It is an arithmetic number, because the mean of its divisors is an integer number (923527528).

Almost surely, 2^8311747668 is an apocalyptic number.

It is an amenable number.

8311747668 is an abundant number, since it is smaller than the sum of its proper divisors (13852913004).

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

8311747668 is a wasteful number, since it uses less digits than its factorization.

8311747668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98949391 (or 98949389 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 8311747668 is about 91168.7866980800. The cubic root of 8311747668 is about 2025.6486398837.

The spelling of 8311747668 in words is "eight billion, three hundred eleven million, seven hundred forty-seven thousand, six hundred sixty-eight".