78919168 has 40 divisors (see below), whose sum is σ = 166978152. Its totient is φ = 37134336.

The previous prime is 78919133. The next prime is 78919189. The reversal of 78919168 is 86191987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171 + ... + 13237.

Almost surely, 2^78919168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78919168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83489076).

78919168 is an abundant number, since it is smaller than the sum of its proper divisors (88058984).

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

78919168 is an equidigital number, since it uses as much as digits as its factorization.

78919168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102 (or 9086 counting only the distinct ones).

The product of its digits is 217728, while the sum is 49.

The square root of 78919168 is about 8883.6460983090. The cubic root of 78919168 is about 428.9376479456.

The spelling of 78919168 in words is "seventy-eight million, nine hundred nineteen thousand, one hundred sixty-eight".