6506008785 has 72 divisors (see below), whose sum is σ = 11939503680. Its totient is φ = 3276863424.

The previous prime is 6506008763. The next prime is 6506008811. The reversal of 6506008785 is 5878006056.

It is not a de Polignac number, because 6506008785 - 2¹¹ = 6506006737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6506008785.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10055332 + ... + 10055978.

It is an arithmetic number, because the mean of its divisors is an integer number (165826440).

Almost surely, 2^6506008785 is an apocalyptic number.

It is an amenable number.

6506008785 is a deficient number, since it is larger than the sum of its proper divisors (5433494895).

6506008785 is a wasteful number, since it uses less digits than its factorization.

6506008785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 6506008785 is about 80659.8337774137. The cubic root of 6506008785 is about 1866.8304745526.

The spelling of 6506008785 in words is "six billion, five hundred six million, eight thousand, seven hundred eighty-five".