78608432 has 40 divisors (see below), whose sum is σ = 175110816. Its totient is φ = 33486336.

The previous prime is 78608407. The next prime is 78608437. The reversal of 78608432 is 23480687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78608437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17348 + ... + 21404.

Almost surely, 2^78608432 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 78608432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87555408).

78608432 is an abundant number, since it is smaller than the sum of its proper divisors (96502384).

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

78608432 is a wasteful number, since it uses less digits than its factorization.

78608432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 78608432 is about 8866.1396334594. The cubic root of 78608432 is about 428.3739416887.

The spelling of 78608432 in words is "seventy-eight million, six hundred eight thousand, four hundred thirty-two".