65328078 has 8 divisors (see below), whose sum is σ = 130656168. Its totient is φ = 21776024.

The previous prime is 65328071. The next prime is 65328089. The reversal of 65328078 is 87082356.

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

65328078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65328071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444001 + ... + 5444012.

It is an arithmetic number, because the mean of its divisors is an integer number (16332021).

Almost surely, 2^65328078 is an apocalyptic number.

65328078 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.

65328078 is a wasteful number, since it uses less digits than its factorization.

65328078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888018.

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

The square root of 65328078 is about 8082.5786726762. The cubic root of 65328078 is about 402.7479084367.

The spelling of 65328078 in words is "sixty-five million, three hundred twenty-eight thousand, seventy-eight".