6664963875 has 32 divisors (see below), whose sum is σ = 11242470720. Its totient is φ = 3505939200.

The previous prime is 6664963873. The next prime is 6664963913. The reversal of 6664963875 is 5783694666.

It is not a de Polignac number, because 6664963875 - 2¹ = 6664963873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6664963873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94360 + ... + 149109.

It is an arithmetic number, because the mean of its divisors is an integer number (351327210).

Almost surely, 2^6664963875 is an apocalyptic number.

6664963875 is a deficient number, since it is larger than the sum of its proper divisors (4577506845).

6664963875 is a wasteful number, since it uses less digits than its factorization.

6664963875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243560 (or 243550 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 60.

The square root of 6664963875 is about 81639.2300000435. The cubic root of 6664963875 is about 1881.9118052867.

The spelling of 6664963875 in words is "six billion, six hundred sixty-four million, nine hundred sixty-three thousand, eight hundred seventy-five".