8727138811 has 4 divisors (see below), whose sum is σ = 8728415824. Its totient is φ = 8725861800.

The previous prime is 8727138773. The next prime is 8727138859. The reversal of 8727138811 is 1188317278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8727138811 - 2³³ = 137204219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8727118811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628200 + ... + 641941.

It is an arithmetic number, because the mean of its divisors is an integer number (2182103956).

Almost surely, 2^8727138811 is an apocalyptic number.

8727138811 is a deficient number, since it is larger than the sum of its proper divisors (1277013).

8727138811 is a wasteful number, since it uses less digits than its factorization.

8727138811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277012.

The product of its digits is 150528, while the sum is 46.

The square root of 8727138811 is about 93419.1565526043. The cubic root of 8727138811 is about 2058.8464659861.

The spelling of 8727138811 in words is "eight billion, seven hundred twenty-seven million, one hundred thirty-eight thousand, eight hundred eleven".