6774336777 has 12 divisors (see below), whose sum is σ = 9780699984. Its totient is φ = 4168822320.

The previous prime is 6774336773. The next prime is 6774336781. The reversal of 6774336777 is 7776334776.

It is an interprime number because it is at equal distance from previous prime (6774336773) and next prime (6774336781).

It is not a de Polignac number, because 6774336777 - 2² = 6774336773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6774336773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6680299 + ... + 6681312.

It is an arithmetic number, because the mean of its divisors is an integer number (815058332).

Almost surely, 2^6774336777 is an apocalyptic number.

It is an amenable number.

6774336777 is a deficient number, since it is larger than the sum of its proper divisors (3006363207).

6774336777 is a wasteful number, since it uses less digits than its factorization.

6774336777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361640 (or 13361627 counting only the distinct ones).

The product of its digits is 21781872, while the sum is 57.

The square root of 6774336777 is about 82306.3592743598. The cubic root of 6774336777 is about 1892.1501408183.

The spelling of 6774336777 in words is "six billion, seven hundred seventy-four million, three hundred thirty-six thousand, seven hundred seventy-seven".