6765577667 has 8 divisors (see below), whose sum is σ = 6917961216. Its totient is φ = 6613545672.

The previous prime is 6765577633. The next prime is 6765577691. The reversal of 6765577667 is 7667755676.

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

It is a cyclic number.

It is not a de Polignac number, because 6765577667 - 2¹² = 6765573571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6765577067) 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, 48773 + ... + 126134.

It is an arithmetic number, because the mean of its divisors is an integer number (864745152).

Almost surely, 2^6765577667 is an apocalyptic number.

6765577667 is a deficient number, since it is larger than the sum of its proper divisors (152383549).

6765577667 is a wasteful number, since it uses less digits than its factorization.

6765577667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175777.

The product of its digits is 77792400, while the sum is 62.

The square root of 6765577667 is about 82253.1316546671. The cubic root of 6765577667 is about 1891.3342823801.

The spelling of 6765577667 in words is "six billion, seven hundred sixty-five million, five hundred seventy-seven thousand, six hundred sixty-seven".