7700781686996 has 6 divisors (see below), whose sum is σ = 13476367952250. Its totient is φ = 3850390843496.

The previous prime is 7700781686993. The next prime is 7700781687007. The reversal of 7700781686996 is 6996861870077.

It can be written as a sum of positive squares in only one way, i.e., 4356345398596 + 3344436288400 = 2087186^2 + 1828780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700781686993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962597710871 + ... + 962597710878.

It is an arithmetic number, because the mean of its divisors is an integer number (2246061325375).

Almost surely, 2^{7700781686996} is an apocalyptic number.

It is an amenable number.

7700781686996 is a deficient number, since it is larger than the sum of its proper divisors (5775586265254).

7700781686996 is a wasteful number, since it uses less digits than its factorization.

7700781686996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925195421753 (or 1925195421751 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 74.

The spelling of 7700781686996 in words is "seven trillion, seven hundred billion, seven hundred eighty-one million, six hundred eighty-six thousand, nine hundred ninety-six".