7785796728968 has 16 divisors (see below), whose sum is σ = 14608939755660. Its totient is φ = 3890079460800.

The previous prime is 7785796728959. The next prime is 7785796729021. The reversal of 7785796728968 is 8698276975877.

It can be written as a sum of positive squares in 2 ways, for example, as 7743764348644 + 42032380324 = 2782762^2 + 205018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352351223 + ... + 352373318.

Almost surely, 2^{7785796728968} is an apocalyptic number.

It is an amenable number.

7785796728968 is a deficient number, since it is larger than the sum of its proper divisors (6823143026692).

7785796728968 is a wasteful number, since it uses less digits than its factorization.

7785796728968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704725928 (or 704725924 counting only the distinct ones).

The product of its digits is 35846737920, while the sum is 89.

The spelling of 7785796728968 in words is "seven trillion, seven hundred eighty-five billion, seven hundred ninety-six million, seven hundred twenty-eight thousand, nine hundred sixty-eight".