6988788788999 has 2 divisors, whose sum is σ = 6988788789000. Its totient is φ = 6988788788998.

The previous prime is 6988788788957. The next prime is 6988788789001. The reversal of 6988788788999 is 9998878878896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6988788788999 - 2²⁰ = 6988787740423 is a prime.

It is a super-3 number, since 3×6988788788999³ (a number of 40 digits) contains 333 as substring.

Together with 6988788789001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6988788788939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494394394499 + 3494394394500.

It is an arithmetic number, because the mean of its divisors is an integer number (3494394394500).

Almost surely, 2^{6988788788999} is an apocalyptic number.

6988788788999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988788788999 is an equidigital number, since it uses as much as digits as its factorization.

6988788788999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 505658474496, while the sum is 104.

The spelling of 6988788788999 in words is "six trillion, nine hundred eighty-eight billion, seven hundred eighty-eight million, seven hundred eighty-eight thousand, nine hundred ninety-nine".