8681887311 has 16 divisors (see below), whose sum is σ = 12272222208. Its totient is φ = 5449831200.

The previous prime is 8681887307. The next prime is 8681887337. The reversal of 8681887311 is 1137881868.

8681887311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8681887311 - 2² = 8681887307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681807311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258095 + ... + 1264976.

It is an arithmetic number, because the mean of its divisors is an integer number (767013888).

Almost surely, 2^8681887311 is an apocalyptic number.

8681887311 is a deficient number, since it is larger than the sum of its proper divisors (3590334897).

8681887311 is a wasteful number, since it uses less digits than its factorization.

8681887311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523142.

The product of its digits is 516096, while the sum is 51.

The square root of 8681887311 is about 93176.6457380818. The cubic root of 8681887311 is about 2055.2818237578.

The spelling of 8681887311 in words is "eight billion, six hundred eighty-one million, eight hundred eighty-seven thousand, three hundred eleven".