8128468706 has 16 divisors (see below), whose sum is σ = 12915266616. Its totient is φ = 3823577856.

The previous prime is 8128468681. The next prime is 8128468753. The reversal of 8128468706 is 6078648218.

It can be written as a sum of positive squares in 4 ways, for example, as 7716744025 + 411724681 = 87845^2 + 20291^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35960 + ... + 132476.

Almost surely, 2^8128468706 is an apocalyptic number.

8128468706 is a deficient number, since it is larger than the sum of its proper divisors (4786797910).

8128468706 is a wasteful number, since it uses less digits than its factorization.

8128468706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99013.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 8128468706 is about 90158.0207524544. The cubic root of 8128468706 is about 2010.6489250655.

The spelling of 8128468706 in words is "eight billion, one hundred twenty-eight million, four hundred sixty-eight thousand, seven hundred six".