8727138812 has 12 divisors (see below), whose sum is σ = 17454277680. Its totient is φ = 3740202336.

The previous prime is 8727138773. The next prime is 8727138859. The reversal of 8727138812 is 2188317278.

8727138812 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155841737 + ... + 155841792.

It is an arithmetic number, because the mean of its divisors is an integer number (1454523140).

Almost surely, 2^8727138812 is an apocalyptic number.

It is an amenable number.

8727138812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8727138812 is a wasteful number, since it uses less digits than its factorization.

8727138812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311683540 (or 311683538 counting only the distinct ones).

The product of its digits is 301056, while the sum is 47.

The square root of 8727138812 is about 93419.1565579566. The cubic root of 8727138812 is about 2058.8464660647.

The spelling of 8727138812 in words is "eight billion, seven hundred twenty-seven million, one hundred thirty-eight thousand, eight hundred twelve".