78941328 has 20 divisors (see below), whose sum is σ = 203931888. Its totient is φ = 26313760.

The previous prime is 78941311. The next prime is 78941377. The reversal of 78941328 is 82314987.

It is a self number, because there is not a number n which added to its sum of digits gives 78941328.

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, 822258 + ... + 822353.

Almost surely, 2^78941328 is an apocalyptic number.

It is an amenable number.

78941328 is an abundant number, since it is smaller than the sum of its proper divisors (124990560).

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

78941328 is a wasteful number, since it uses less digits than its factorization.

78941328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644622 (or 1644616 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 78941328 is about 8884.8932464043. The cubic root of 78941328 is about 428.9777918421.

The spelling of 78941328 in words is "seventy-eight million, nine hundred forty-one thousand, three hundred twenty-eight".