6678276861 has 16 divisors (see below), whose sum is σ = 9322407360. Its totient is φ = 4246865280.

The previous prime is 6678276833. The next prime is 6678276863. The reversal of 6678276861 is 1686728766.

It is not a de Polignac number, because 6678276861 - 2⁶ = 6678276797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678276863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455200 + ... + 469641.

It is an arithmetic number, because the mean of its divisors is an integer number (582650460).

Almost surely, 2^6678276861 is an apocalyptic number.

It is an amenable number.

6678276861 is a deficient number, since it is larger than the sum of its proper divisors (2644130499).

6678276861 is a wasteful number, since it uses less digits than its factorization.

6678276861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924956.

The product of its digits is 8128512, while the sum is 57.

The square root of 6678276861 is about 81720.7247948769. The cubic root of 6678276861 is about 1883.1639852496.

The spelling of 6678276861 in words is "six billion, six hundred seventy-eight million, two hundred seventy-six thousand, eight hundred sixty-one".