6669969885 has 24 divisors (see below), whose sum is σ = 11603963904. Its totient is φ = 3544184160.

The previous prime is 6669969877. The next prime is 6669969919. The reversal of 6669969885 is 5889699666.

It is not a de Polignac number, because 6669969885 - 2³ = 6669969877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261277 + ... + 285666.

It is an arithmetic number, because the mean of its divisors is an integer number (483498496).

Almost surely, 2^6669969885 is an apocalyptic number.

It is an amenable number.

6669969885 is a deficient number, since it is larger than the sum of its proper divisors (4933994019).

6669969885 is a wasteful number, since it uses less digits than its factorization.

6669969885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547225 (or 547222 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The square root of 6669969885 is about 81669.8835863013. The cubic root of 6669969885 is about 1882.3828511831.

The spelling of 6669969885 in words is "six billion, six hundred sixty-nine million, nine hundred sixty-nine thousand, eight hundred eighty-five".