78616686296 has 32 divisors (see below), whose sum is σ = 149943900000. Its totient is φ = 38632688640.

The previous prime is 78616686287. The next prime is 78616686301. The reversal of 78616686296 is 69268661687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545021 + ... + 674003.

It is an arithmetic number, because the mean of its divisors is an integer number (4685746875).

Almost surely, 2^78616686296 is an apocalyptic number.

It is an amenable number.

78616686296 is a deficient number, since it is larger than the sum of its proper divisors (71327213704).

78616686296 is a wasteful number, since it uses less digits than its factorization.

78616686296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130299 (or 130295 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The spelling of 78616686296 in words is "seventy-eight billion, six hundred sixteen million, six hundred eighty-six thousand, two hundred ninety-six".