77793330706 has 48 divisors (see below), whose sum is σ = 146261056536. Its totient is φ = 30758966784.

The previous prime is 77793330677. The next prime is 77793330733. The reversal of 77793330706 is 60703339777.

It can be written as a sum of positive squares in 4 ways, for example, as 24312605625 + 53480725081 = 155925^2 + 231259^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2528890 + ... + 2559466.

Almost surely, 2^77793330706 is an apocalyptic number.

77793330706 is a deficient number, since it is larger than the sum of its proper divisors (68467725830).

77793330706 is a wasteful number, since it uses less digits than its factorization.

77793330706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32603 (or 32596 counting only the distinct ones).

The product of its (nonzero) digits is 3500658, while the sum is 52.

The spelling of 77793330706 in words is "seventy-seven billion, seven hundred ninety-three million, three hundred thirty thousand, seven hundred six".