65775284 has 6 divisors (see below), whose sum is σ = 115106754. Its totient is φ = 32887640.

The previous prime is 65775253. The next prime is 65775313. The reversal of 65775284 is 48257756.

It can be written as a sum of positive squares in only one way, i.e., 65448100 + 327184 = 8090^2 + 572^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221907 + ... + 8221914.

It is an arithmetic number, because the mean of its divisors is an integer number (19184459).

Almost surely, 2^65775284 is an apocalyptic number.

It is an amenable number.

65775284 is a deficient number, since it is larger than the sum of its proper divisors (49331470).

65775284 is a wasteful number, since it uses less digits than its factorization.

65775284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443825 (or 16443823 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 65775284 is about 8110.1962984875. The cubic root of 65775284 is about 403.6648283697.

The spelling of 65775284 in words is "sixty-five million, seven hundred seventy-five thousand, two hundred eighty-four".