65799628808 has 16 divisors (see below), whose sum is σ = 124760533500. Its totient is φ = 32530153216.

The previous prime is 65799628787. The next prime is 65799628823. The reversal of 65799628808 is 80882699756.

It can be written as a sum of positive squares in 2 ways, for example, as 52515222244 + 13284406564 = 229162^2 + 115258^2 .

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 3 ways as a sum of consecutive naturals, for example, 46206893 + ... + 46208316.

Almost surely, 2^65799628808 is an apocalyptic number.

It is an amenable number.

65799628808 is a deficient number, since it is larger than the sum of its proper divisors (58960904692).

65799628808 is a wasteful number, since it uses less digits than its factorization.

65799628808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92415304 (or 92415300 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 65799628808 in words is "sixty-five billion, seven hundred ninety-nine million, six hundred twenty-eight thousand, eight hundred eight".