8727355381 has 4 divisors (see below), whose sum is σ = 9028298700. Its totient is φ = 8426412064.

The previous prime is 8727355361. The next prime is 8727355391. The reversal of 8727355381 is 1835537278.

8727355381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1972159281 + 6755196100 = 44409^2 + 82190^2 .

It is a cyclic number.

It is not a de Polignac number, because 8727355381 - 2³¹ = 6579871733 is a prime.

It is a super-2 number, since 2×8727355381² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8727355361) 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 3 ways as a sum of consecutive naturals, for example, 150471616 + ... + 150471673.

It is an arithmetic number, because the mean of its divisors is an integer number (2257074675).

Almost surely, 2^8727355381 is an apocalyptic number.

It is an amenable number.

8727355381 is a deficient number, since it is larger than the sum of its proper divisors (300943319).

8727355381 is a wasteful number, since it uses less digits than its factorization.

8727355381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300943318.

The product of its digits is 1411200, while the sum is 49.

The square root of 8727355381 is about 93420.3156759813. The cubic root of 8727355381 is about 2058.8634964127.

The spelling of 8727355381 in words is "eight billion, seven hundred twenty-seven million, three hundred fifty-five thousand, three hundred eighty-one".