325128378 has 8 divisors (see below), whose sum is σ = 650256768. Its totient is φ = 108376124.

The previous prime is 325128359. The next prime is 325128407. The reversal of 325128378 is 873821523.

It is a sphenic number, since it is the product of 3 distinct primes.

325128378 is an admirable number.

It is a Curzon 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, 27094026 + ... + 27094037.

It is an arithmetic number, because the mean of its divisors is an integer number (81282096).

Almost surely, 2^325128378 is an apocalyptic number.

325128378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

325128378 is a wasteful number, since it uses less digits than its factorization.

325128378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54188068.

The product of its digits is 80640, while the sum is 39.

The square root of 325128378 is about 18031.3165908649. The cubic root of 325128378 is about 687.6249491025.

The spelling of 325128378 in words is "three hundred twenty-five million, one hundred twenty-eight thousand, three hundred seventy-eight".