78929892916 has 24 divisors (see below), whose sum is σ = 158283023360. Its totient is φ = 33736403232.

The previous prime is 78929892911. The next prime is 78929892919. The reversal of 78929892916 is 61929892987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78929892911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768276 + ... + 3789163.

Almost surely, 2^78929892916 is an apocalyptic number.

It is an amenable number.

78929892916 is an abundant number, since it is smaller than the sum of its proper divisors (79353130444).

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

78929892916 is a wasteful number, since it uses less digits than its factorization.

78929892916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557823 (or 7557821 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 70.

The spelling of 78929892916 in words is "seventy-eight billion, nine hundred twenty-nine million, eight hundred ninety-two thousand, nine hundred sixteen".