65382978 has 8 divisors (see below), whose sum is σ = 130765968. Its totient is φ = 21794324.

The previous prime is 65382953. The next prime is 65382979. The reversal of 65382978 is 87928356.

65382978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

65382978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (65382979) 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 3 ways as a sum of consecutive naturals, for example, 5448576 + ... + 5448587.

It is an arithmetic number, because the mean of its divisors is an integer number (16345746).

Almost surely, 2^65382978 is an apocalyptic number.

65382978 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.

65382978 is a wasteful number, since it uses less digits than its factorization.

65382978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897168.

The product of its digits is 725760, while the sum is 48.

The square root of 65382978 is about 8085.9741528155. The cubic root of 65382978 is about 402.8606964341.

The spelling of 65382978 in words is "sixty-five million, three hundred eighty-two thousand, nine hundred seventy-eight".