8761811140 has 12 divisors (see below), whose sum is σ = 18399803436. Its totient is φ = 3504724448.

The previous prime is 8761811137. The next prime is 8761811141. The reversal of 8761811140 is 411181678.

It can be written as a sum of positive squares in 2 ways, for example, as 4042670724 + 4719140416 = 63582^2 + 68696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8761811140.

It is not an unprimeable number, because it can be changed into a prime (8761811141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219045259 + ... + 219045298.

It is an arithmetic number, because the mean of its divisors is an integer number (1533316953).

Almost surely, 2^8761811140 is an apocalyptic number.

It is an amenable number.

8761811140 is an abundant number, since it is smaller than the sum of its proper divisors (9637992296).

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

8761811140 is a wasteful number, since it uses less digits than its factorization.

8761811140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438090566 (or 438090564 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The square root of 8761811140 is about 93604.5465776102. The cubic root of 8761811140 is about 2061.5694154643.

The spelling of 8761811140 in words is "eight billion, seven hundred sixty-one million, eight hundred eleven thousand, one hundred forty".