7768116526 has 4 divisors (see below), whose sum is σ = 11652174792. Its totient is φ = 3884058262.

The previous prime is 7768116511. The next prime is 7768116529. The reversal of 7768116526 is 6256118677.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7768116526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768116529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942029130 + ... + 1942029133.

It is an arithmetic number, because the mean of its divisors is an integer number (2913043698).

Almost surely, 2^7768116526 is an apocalyptic number.

7768116526 is a deficient number, since it is larger than the sum of its proper divisors (3884058266).

7768116526 is a wasteful number, since it uses less digits than its factorization.

7768116526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884058265.

The product of its digits is 846720, while the sum is 49.

The square root of 7768116526 is about 88136.9191996180. The cubic root of 7768116526 is about 1980.4866101550.

The spelling of 7768116526 in words is "seven billion, seven hundred sixty-eight million, one hundred sixteen thousand, five hundred twenty-six".