6888999983 has 2 divisors, whose sum is σ = 6888999984. Its totient is φ = 6888999982.

The previous prime is 6888999973. The next prime is 6889000003. The reversal of 6888999983 is 3899998886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6888999983 - 2¹² = 6888995887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6888999973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444499991 + 3444499992.

It is an arithmetic number, because the mean of its divisors is an integer number (3444499992).

Almost surely, 2^6888999983 is an apocalyptic number.

6888999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6888999983 is an equidigital number, since it uses as much as digits as its factorization.

6888999983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483729408, while the sum is 77.

The square root of 6888999983 is about 82999.9998975904. Note that the first 3 decimals coincide. The cubic root of 6888999983 is about 1902.7660527115.

The spelling of 6888999983 in words is "six billion, eight hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred eighty-three".