6776804859 has 32 divisors (see below), whose sum is σ = 10116209664. Its totient is φ = 3999787680.

The previous prime is 6776804857. The next prime is 6776804869. The reversal of 6776804859 is 9584086776.

It is not a de Polignac number, because 6776804859 - 2¹ = 6776804857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6776804851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485512 + ... + 499274.

It is an arithmetic number, because the mean of its divisors is an integer number (316131552).

Almost surely, 2^6776804859 is an apocalyptic number.

6776804859 is a deficient number, since it is larger than the sum of its proper divisors (3339404805).

6776804859 is a wasteful number, since it uses less digits than its factorization.

6776804859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The square root of 6776804859 is about 82321.3511733135. The cubic root of 6776804859 is about 1892.3799008099.

The spelling of 6776804859 in words is "six billion, seven hundred seventy-six million, eight hundred four thousand, eight hundred fifty-nine".