65285378 has 8 divisors (see below), whose sum is σ = 98063868. Its totient is φ = 32597424.

The previous prime is 65285369. The next prime is 65285383. The reversal of 65285378 is 87358256.

It can be written as a sum of positive squares in 2 ways, for example, as 57259489 + 8025889 = 7567^2 + 2833^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20801 + ... + 23732.

Almost surely, 2^65285378 is an apocalyptic number.

65285378 is a deficient number, since it is larger than the sum of its proper divisors (32778490).

65285378 is a wasteful number, since it uses less digits than its factorization.

65285378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45268.

The product of its digits is 403200, while the sum is 44.

The square root of 65285378 is about 8079.9367571782. The cubic root of 65285378 is about 402.6601407445.

The spelling of 65285378 in words is "sixty-five million, two hundred eighty-five thousand, three hundred seventy-eight".