6978004199 has 2 divisors, whose sum is σ = 6978004200. Its totient is φ = 6978004198.

The previous prime is 6978004153. The next prime is 6978004211. The reversal of 6978004199 is 9914008796.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6978004199 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6978004199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6978004499) 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, 3489002099 + 3489002100.

It is an arithmetic number, because the mean of its divisors is an integer number (3489002100).

Almost surely, 2^6978004199 is an apocalyptic number.

6978004199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6978004199 is an equidigital number, since it uses as much as digits as its factorization.

6978004199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 6978004199 is about 83534.4491751756. The cubic root of 6978004199 is about 1910.9254398009.

The spelling of 6978004199 in words is "six billion, nine hundred seventy-eight million, four thousand, one hundred ninety-nine".