7699449966 has 32 divisors (see below), whose sum is σ = 16588084128. Its totient is φ = 2368396800.

The previous prime is 7699449959. The next prime is 7699450007. The reversal of 7699449966 is 6699449967.

It is a self number, because there is not a number n which added to its sum of digits gives 7699449966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315930 + ... + 339426.

It is an arithmetic number, because the mean of its divisors is an integer number (518377629).

Almost surely, 2^7699449966 is an apocalyptic number.

7699449966 is an abundant number, since it is smaller than the sum of its proper divisors (8888634162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7699449966 is a wasteful number, since it uses less digits than its factorization.

7699449966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27716.

The product of its digits is 158723712, while the sum is 69.

The square root of 7699449966 is about 87746.5097083639. The cubic root of 7699449966 is about 1974.6338019762.

Subtracting from 7699449966 its reverse (6699449967), we obtain a palindrome (999999999).

The spelling of 7699449966 in words is "seven billion, six hundred ninety-nine million, four hundred forty-nine thousand, nine hundred sixty-six".