8888661613 has 8 divisors (see below), whose sum is σ = 9573585056. Its totient is φ = 8203906800.

The previous prime is 8888661611. The next prime is 8888661653. The reversal of 8888661613 is 3161668888.

8888661613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8888661613 - 2¹ = 8888661611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8888661611) 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 7 ways as a sum of consecutive naturals, for example, 80578 + ... + 155788.

It is an arithmetic number, because the mean of its divisors is an integer number (1196698132).

Almost surely, 2^8888661613 is an apocalyptic number.

It is an amenable number.

8888661613 is a deficient number, since it is larger than the sum of its proper divisors (684923443).

8888661613 is a wasteful number, since it uses less digits than its factorization.

8888661613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84315.

The product of its digits is 2654208, while the sum is 55.

The square root of 8888661613 is about 94279.6988380850. The cubic root of 8888661613 is about 2071.4706821764.

The spelling of 8888661613 in words is "eight billion, eight hundred eighty-eight million, six hundred sixty-one thousand, six hundred thirteen".