6988968868 has 12 divisors (see below), whose sum is σ = 13977937792. Its totient is φ = 2995272360.

The previous prime is 6988968839. The next prime is 6988968869. The reversal of 6988968868 is 8688698896.

6988968868 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6988968794 and 6988968803.

It is not an unprimeable number, because it can be changed into a prime (6988968869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124802988 + ... + 124803043.

Almost surely, 2^6988968868 is an apocalyptic number.

It is an amenable number.

6988968868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6988968868 is a wasteful number, since it uses less digits than its factorization.

6988968868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249606042 (or 249606040 counting only the distinct ones).

The product of its digits is 573308928, while the sum is 76.

The square root of 6988968868 is about 83600.0530382607. The cubic root of 6988968868 is about 1911.9258070246.

The spelling of 6988968868 in words is "six billion, nine hundred eighty-eight million, nine hundred sixty-eight thousand, eight hundred sixty-eight".