6978448795 has 4 divisors (see below), whose sum is σ = 8374138560. Its totient is φ = 5582759032.

The previous prime is 6978448777. The next prime is 6978448817. The reversal of 6978448795 is 5978448796.

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

It is a cyclic number.

It is not a de Polignac number, because 6978448795 - 2⁷ = 6978448667 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6978448795.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697844875 + ... + 697844884.

It is an arithmetic number, because the mean of its divisors is an integer number (2093534640).

Almost surely, 2^6978448795 is an apocalyptic number.

6978448795 is a deficient number, since it is larger than the sum of its proper divisors (1395689765).

6978448795 is a wasteful number, since it uses less digits than its factorization.

6978448795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395689764.

The product of its digits is 121927680, while the sum is 67.

The square root of 6978448795 is about 83537.1102863871. The cubic root of 6978448795 is about 1910.9660231224.

Subtracting from 6978448795 its reverse (5978448796), we obtain a palindrome (999999999).

The spelling of 6978448795 in words is "six billion, nine hundred seventy-eight million, four hundred forty-eight thousand, seven hundred ninety-five".