8663772773668 has 48 divisors (see below), whose sum is σ = 15374090882304. Its totient is φ = 4271667023520.

The previous prime is 8663772773611. The next prime is 8663772773681.

It is a happy number.

8663772773668 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8663772773594 and 8663772773603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62140171 + ... + 62279437.

It is an arithmetic number, because the mean of its divisors is an integer number (320293560048).

Almost surely, 2^{8663772773668} is an apocalyptic number.

It is an amenable number.

8663772773668 is a deficient number, since it is larger than the sum of its proper divisors (6710318108636).

8663772773668 is a wasteful number, since it uses less digits than its factorization.

8663772773668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140152 (or 140150 counting only the distinct ones).

The product of its digits is 3584673792, while the sum is 76.

The spelling of 8663772773668 in words is "eight trillion, six hundred sixty-three billion, seven hundred seventy-two million, seven hundred seventy-three thousand, six hundred sixty-eight".