6988670568 has 72 divisors (see below), whose sum is σ = 20804797650. Its totient is φ = 2117776320.

The previous prime is 6988670551. The next prime is 6988670627. The reversal of 6988670568 is 8650768896.

6988670568 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 67 + 0 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4648239684 + 2340430884 = 68178^2 + 48378^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 392383 + ... + 409806.

Almost surely, 2^6988670568 is an apocalyptic number.

It is an amenable number.

6988670568 is an abundant number, since it is smaller than the sum of its proper divisors (13816127082).

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

6988670568 is a wasteful number, since it uses less digits than its factorization.

6988670568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802223 (or 802205 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The square root of 6988670568 is about 83598.2689294461. The cubic root of 6988670568 is about 1911.8986053208.

The spelling of 6988670568 in words is "six billion, nine hundred eighty-eight million, six hundred seventy thousand, five hundred sixty-eight".