7768420750211 has 16 divisors (see below), whose sum is σ = 8973955630080. Its totient is φ = 6646179684480.

The previous prime is 7768420750169. The next prime is 7768420750249. The reversal of 7768420750211 is 1120570248677.

It is a cyclic number.

It is not a de Polignac number, because 7768420750211 - 2⁶ = 7768420750147 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 7768420750211.

It is not an unprimeable number, because it can be changed into a prime (7768420750271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225350 + ... + 3948116.

It is an arithmetic number, because the mean of its divisors is an integer number (560872226880).

Almost surely, 2^{7768420750211} is an apocalyptic number.

7768420750211 is a deficient number, since it is larger than the sum of its proper divisors (1205534879869).

7768420750211 is a wasteful number, since it uses less digits than its factorization.

7768420750211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733954.

The product of its (nonzero) digits is 1317120, while the sum is 50.

Adding to 7768420750211 its reverse (1120570248677), we get a palindrome (8888990998888).

The spelling of 7768420750211 in words is "seven trillion, seven hundred sixty-eight billion, four hundred twenty million, seven hundred fifty thousand, two hundred eleven".