8069428660 has 12 divisors (see below), whose sum is σ = 16945800228. Its totient is φ = 3227771456.

The previous prime is 8069428651. The next prime is 8069428711. The reversal of 8069428660 is 668249608.

It can be written as a sum of positive squares in 2 ways, for example, as 2258720676 + 5810707984 = 47526^2 + 76228^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 201735697 + ... + 201735736.

It is an arithmetic number, because the mean of its divisors is an integer number (1412150019).

Almost surely, 2^8069428660 is an apocalyptic number.

It is an amenable number.

8069428660 is an abundant number, since it is smaller than the sum of its proper divisors (8876371568).

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

8069428660 is a wasteful number, since it uses less digits than its factorization.

8069428660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403471442 (or 403471440 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 8069428660 is about 89829.9986641434. The cubic root of 8069428660 is about 2005.7690646129.

The spelling of 8069428660 in words is "eight billion, sixty-nine million, four hundred twenty-eight thousand, six hundred sixty".