6868629772 has 6 divisors (see below), whose sum is σ = 12020102108. Its totient is φ = 3434314884.

The previous prime is 6868629763. The next prime is 6868629841. The reversal of 6868629772 is 2779268686.

It is a self number, because there is not a number n which added to its sum of digits gives 6868629772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858578718 + ... + 858578725.

Almost surely, 2^6868629772 is an apocalyptic number.

It is an amenable number.

6868629772 is a deficient number, since it is larger than the sum of its proper divisors (5151472336).

6868629772 is a wasteful number, since it uses less digits than its factorization.

6868629772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717157447 (or 1717157445 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 61.

The square root of 6868629772 is about 82877.1969361899. The cubic root of 6868629772 is about 1900.8887598247. Note that the first 3 decimals are identical.

The spelling of 6868629772 in words is "six billion, eight hundred sixty-eight million, six hundred twenty-nine thousand, seven hundred seventy-two".