6770777209 has 8 divisors (see below), whose sum is σ = 7781261760. Its totient is φ = 5771100336.

The previous prime is 6770777201. The next prime is 6770777227. The reversal of 6770777209 is 9027770776.

6770777209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6770777209 - 2³ = 6770777201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6770777201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700574 + ... + 2703079.

It is an arithmetic number, because the mean of its divisors is an integer number (972657720).

Almost surely, 2^6770777209 is an apocalyptic number.

It is an amenable number.

6770777209 is a deficient number, since it is larger than the sum of its proper divisors (1010484551).

6770777209 is a wasteful number, since it uses less digits than its factorization.

6770777209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403839.

The product of its (nonzero) digits is 1815156, while the sum is 52.

The square root of 6770777209 is about 82284.7325389103. The cubic root of 6770777209 is about 1891.8186733338.

The spelling of 6770777209 in words is "six billion, seven hundred seventy million, seven hundred seventy-seven thousand, two hundred nine".