7766668653227 has 4 divisors (see below), whose sum is σ = 8472729439896. Its totient is φ = 7060607866560.

The previous prime is 7766668653217. The next prime is 7766668653257. The reversal of 7766668653227 is 7223568666677.

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

It is a cyclic number.

It is not a de Polignac number, because 7766668653227 - 2³⁸ = 7491790746283 is a prime.

It is a super-2 number, since 2×7766668653227² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7766668653217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353030393318 + ... + 353030393339.

It is an arithmetic number, because the mean of its divisors is an integer number (2118182359974).

Almost surely, 2^{7766668653227} is an apocalyptic number.

7766668653227 is a deficient number, since it is larger than the sum of its proper divisors (706060786669).

7766668653227 is a wasteful number, since it uses less digits than its factorization.

7766668653227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706060786668.

The product of its digits is 1280240640, while the sum is 71.

The spelling of 7766668653227 in words is "seven trillion, seven hundred sixty-six billion, six hundred sixty-eight million, six hundred fifty-three thousand, two hundred twenty-seven".