7729768106 has 4 divisors (see below), whose sum is σ = 11594652162. Its totient is φ = 3864884052.

The previous prime is 7729768069. The next prime is 7729768127. The reversal of 7729768106 is 6018679277.

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

It can be written as a sum of positive squares in only one way, i.e., 7521225625 + 208542481 = 86725^2 + 14441^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932442025 + ... + 1932442028.

Almost surely, 2^7729768106 is an apocalyptic number.

7729768106 is a deficient number, since it is larger than the sum of its proper divisors (3864884056).

7729768106 is a wasteful number, since it uses less digits than its factorization.

7729768106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864884055.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 7729768106 is about 87919.0997792857. The cubic root of 7729768106 is about 1977.2222472985. Note that the first 4 decimals are identical.

The spelling of 7729768106 in words is "seven billion, seven hundred twenty-nine million, seven hundred sixty-eight thousand, one hundred six".