6771377 has 4 divisors (see below), whose sum is σ = 6799716. Its totient is φ = 6743040.

The previous prime is 6771367. The next prime is 6771379. The reversal of 6771377 is 7731776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 4946176 = 1351^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771377 - 2¹⁰ = 6770353 is a prime.

It is a super-2 number, since 2×6771377² = 91703092952258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6771377.

It is not an unprimeable number, because it can be changed into a prime (6771379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13808 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (1699929).

Almost surely, 2^6771377 is an apocalyptic number.

It is an amenable number.

6771377 is a deficient number, since it is larger than the sum of its proper divisors (28339).

6771377 is a wasteful number, since it uses less digits than its factorization.

6771377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28338.

The product of its digits is 43218, while the sum is 38.

The square root of 6771377 is about 2602.1869648432. The cubic root of 6771377 is about 189.1874534095.

The spelling of 6771377 in words is "six million, seven hundred seventy-one thousand, three hundred seventy-seven".