7666666763773 has 8 divisors (see below), whose sum is σ = 8117722585728. Its totient is φ = 7215619322304.

The previous prime is 7666666763771. The next prime is 7666666763801. The reversal of 7666666763773 is 3773676666667.

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 7666666763773 - 2¹ = 7666666763771 is a prime.

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 7666666763773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666666763771) 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, 160611 + ... + 3919072.

It is an arithmetic number, because the mean of its divisors is an integer number (1014715323216).

Almost surely, 2^{7666666763773} is an apocalyptic number.

It is an amenable number.

7666666763773 is a deficient number, since it is larger than the sum of its proper divisors (451055821955).

7666666763773 is a wasteful number, since it uses less digits than its factorization.

7666666763773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190243.

The product of its digits is 6049137024, while the sum is 76.

The spelling of 7666666763773 in words is "seven trillion, six hundred sixty-six billion, six hundred sixty-six million, seven hundred sixty-three thousand, seven hundred seventy-three".