6766770077707 has 16 divisors (see below), whose sum is σ = 6945389337600. Its totient is φ = 6588803707200.

The previous prime is 6766770077653. The next prime is 6766770077737. The reversal of 6766770077707 is 7077700776676.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6766770077707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6766770077737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89135788 + ... + 89211670.

It is an arithmetic number, because the mean of its divisors is an integer number (434086833600).

Almost surely, 2^{6766770077707} is an apocalyptic number.

6766770077707 is a deficient number, since it is larger than the sum of its proper divisors (178619259893).

6766770077707 is a wasteful number, since it uses less digits than its factorization.

6766770077707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80154.

The product of its (nonzero) digits is 177885288, while the sum is 67.

The spelling of 6766770077707 in words is "six trillion, seven hundred sixty-six billion, seven hundred seventy million, seventy-seven thousand, seven hundred seven".