6780196799 has 4 divisors (see below), whose sum is σ = 6780476736. Its totient is φ = 6779916864.

The previous prime is 6780196793. The next prime is 6780196807. The reversal of 6780196799 is 9976910876.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6780196799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780196793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99794 + ... + 153359.

It is an arithmetic number, because the mean of its divisors is an integer number (1695119184).

Almost surely, 2^6780196799 is an apocalyptic number.

6780196799 is a deficient number, since it is larger than the sum of its proper divisors (279937).

6780196799 is a wasteful number, since it uses less digits than its factorization.

6780196799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279936.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 6780196799 is about 82341.9504201838. The cubic root of 6780196799 is about 1892.6955740802.

The spelling of 6780196799 in words is "six billion, seven hundred eighty million, one hundred ninety-six thousand, seven hundred ninety-nine".