78788112 has 80 divisors (see below), whose sum is σ = 226318848. Its totient is φ = 23454720.

The previous prime is 78788089. The next prime is 78788113. The reversal of 78788112 is 21188787.

It is not an unprimeable number, because it can be changed into a prime (78788113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17308 + ... + 21380.

Almost surely, 2^78788112 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 78788112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113159424).

78788112 is an abundant number, since it is smaller than the sum of its proper divisors (147530736).

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

78788112 is a wasteful number, since it uses less digits than its factorization.

78788112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128 (or 4122 counting only the distinct ones).

The product of its digits is 50176, while the sum is 42.

The square root of 78788112 is about 8876.2667828316. The cubic root of 78788112 is about 428.7000799799.

The spelling of 78788112 in words is "seventy-eight million, seven hundred eighty-eight thousand, one hundred twelve".