6885669628 has 6 divisors (see below), whose sum is σ = 12049921856. Its totient is φ = 3442834812.

The previous prime is 6885669619. The next prime is 6885669653. The reversal of 6885669628 is 8269665886.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6885669628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860708700 + ... + 860708707.

Almost surely, 2^6885669628 is an apocalyptic number.

It is an amenable number.

6885669628 is a deficient number, since it is larger than the sum of its proper divisors (5164252228).

6885669628 is a wasteful number, since it uses less digits than its factorization.

6885669628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721417411 (or 1721417409 counting only the distinct ones).

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

The square root of 6885669628 is about 82979.9350927681. The cubic root of 6885669628 is about 1902.4593846960.

The spelling of 6885669628 in words is "six billion, eight hundred eighty-five million, six hundred sixty-nine thousand, six hundred twenty-eight".