6771077667 has 24 divisors (see below), whose sum is σ = 9921719808. Its totient is φ = 4449106800.

The previous prime is 6771077659. The next prime is 6771077681. The reversal of 6771077667 is 7667701776.

It is not a de Polignac number, because 6771077667 - 2³ = 6771077659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6771077657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311442 + ... + 332472.

It is an arithmetic number, because the mean of its divisors is an integer number (413404992).

Almost surely, 2^6771077667 is an apocalyptic number.

6771077667 is a deficient number, since it is larger than the sum of its proper divisors (3150642141).

6771077667 is a wasteful number, since it uses less digits than its factorization.

6771077667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551 (or 21548 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 54.

The square root of 6771077667 is about 82286.5582400917. The cubic root of 6771077667 is about 1891.8466565146.

The spelling of 6771077667 in words is "six billion, seven hundred seventy-one million, seventy-seven thousand, six hundred sixty-seven".