1328078433 has 16 divisors (see below), whose sum is σ = 1935172800. Its totient is φ = 803470080.

The previous prime is 1328078431. The next prime is 1328078441. The reversal of 1328078433 is 3348708231.

1328078433 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1328078433 - 2¹ = 1328078431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1328078391 and 1328078400.

It is not an unprimeable number, because it can be changed into a prime (1328078431) 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, 16588 + ... + 54141.

It is an arithmetic number, because the mean of its divisors is an integer number (120948300).

Almost surely, 2^1328078433 is an apocalyptic number.

It is an amenable number.

1328078433 is a deficient number, since it is larger than the sum of its proper divisors (607094367).

1328078433 is a wasteful number, since it uses less digits than its factorization.

1328078433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1328078433 is about 36442.8104432136. The cubic root of 1328078433 is about 1099.1945710083.

The spelling of 1328078433 in words is "one billion, three hundred twenty-eight million, seventy-eight thousand, four hundred thirty-three".