6888899971 has 2 divisors, whose sum is σ = 6888899972. Its totient is φ = 6888899970.

The previous prime is 6888899959. The next prime is 6888899981. The reversal of 6888899971 is 1799988886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6888899971 - 2¹⁵ = 6888867203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6888899894 and 6888899903.

It is not a weakly prime, because it can be changed into another prime (6888899921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444449985 + 3444449986.

It is an arithmetic number, because the mean of its divisors is an integer number (3444449986).

Almost surely, 2^6888899971 is an apocalyptic number.

6888899971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6888899971 is an equidigital number, since it uses as much as digits as its factorization.

6888899971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 73.

The square root of 6888899971 is about 82999.3974134752. The cubic root of 6888899971 is about 1902.7568447781.

The spelling of 6888899971 in words is "six billion, eight hundred eighty-eight million, eight hundred ninety-nine thousand, nine hundred seventy-one".