6778895006797 has 4 divisors (see below), whose sum is σ = 6778943300320. Its totient is φ = 6778846713276.

The previous prime is 6778895006789. The next prime is 6778895006833. The reversal of 6778895006797 is 7976005988776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6778895006797 - 2³ = 6778895006789 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 (6778895006747) 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, 23935593 + ... + 24217150.

It is an arithmetic number, because the mean of its divisors is an integer number (1694735825080).

Almost surely, 2^{6778895006797} is an apocalyptic number.

It is an amenable number.

6778895006797 is a deficient number, since it is larger than the sum of its proper divisors (48293523).

6778895006797 is a wasteful number, since it uses less digits than its factorization.

6778895006797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48293522.

The product of its (nonzero) digits is 2240421120, while the sum is 79.

The spelling of 6778895006797 in words is "six trillion, seven hundred seventy-eight billion, eight hundred ninety-five million, six thousand, seven hundred ninety-seven".