6678976497 has 4 divisors (see below), whose sum is σ = 8905302000. Its totient is φ = 4452650996.

The previous prime is 6678976483. The next prime is 6678976511. The reversal of 6678976497 is 7946798766.

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 an interprime number because it is at equal distance from previous prime (6678976483) and next prime (6678976511).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6678976497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6678976427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113162747 + ... + 1113162752.

It is an arithmetic number, because the mean of its divisors is an integer number (2226325500).

Almost surely, 2^6678976497 is an apocalyptic number.

It is an amenable number.

6678976497 is a deficient number, since it is larger than the sum of its proper divisors (2226325503).

6678976497 is a wasteful number, since it uses less digits than its factorization.

6678976497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226325502.

The product of its digits is 192036096, while the sum is 69.

The square root of 6678976497 is about 81725.0053349646. The cubic root of 6678976497 is about 1883.2297448929.

The spelling of 6678976497 in words is "six billion, six hundred seventy-eight million, nine hundred seventy-six thousand, four hundred ninety-seven".