6772659809 has 4 divisors (see below), whose sum is σ = 6858389760. Its totient is φ = 6686929860.

The previous prime is 6772659799. The next prime is 6772659811. The reversal of 6772659809 is 9089562776.

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 6772659809 - 2⁴ = 6772659793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6772659889) 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, 42864857 + ... + 42865014.

It is an arithmetic number, because the mean of its divisors is an integer number (1714597440).

Almost surely, 2^6772659809 is an apocalyptic number.

It is an amenable number.

6772659809 is a deficient number, since it is larger than the sum of its proper divisors (85729951).

6772659809 is an equidigital number, since it uses as much as digits as its factorization.

6772659809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85729950.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The square root of 6772659809 is about 82296.1712900424. The cubic root of 6772659809 is about 1891.9939957861.

The spelling of 6772659809 in words is "six billion, seven hundred seventy-two million, six hundred fifty-nine thousand, eight hundred nine".