6885866692 has 12 divisors (see below), whose sum is σ = 12438985216. Its totient is φ = 3331870920.

The previous prime is 6885866683. The next prime is 6885866699. The reversal of 6885866692 is 2966685886.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6885866699) by changing a digit.

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, 27765468 + ... + 27765715.

Almost surely, 2^6885866692 is an apocalyptic number.

6885866692 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6885866692 is a deficient number, since it is larger than the sum of its proper divisors (5553118524).

6885866692 is a wasteful number, since it uses less digits than its factorization.

6885866692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55531218 (or 55531216 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The square root of 6885866692 is about 82981.1225038563. The cubic root of 6885866692 is about 1902.4775336295.

The spelling of 6885866692 in words is "six billion, eight hundred eighty-five million, eight hundred sixty-six thousand, six hundred ninety-two".