65788328 has 8 divisors (see below), whose sum is σ = 123353130. Its totient is φ = 32894160.

The previous prime is 65788319. The next prime is 65788339. The reversal of 65788328 is 82388756.

It can be written as a sum of positive squares in only one way, i.e., 65642404 + 145924 = 8102^2 + 382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111763 + ... + 4111778.

Almost surely, 2^65788328 is an apocalyptic number.

It is an amenable number.

65788328 is a deficient number, since it is larger than the sum of its proper divisors (57564802).

65788328 is a wasteful number, since it uses less digits than its factorization.

65788328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223547 (or 8223543 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 65788328 is about 8111.0004315127. Note that the first 3 decimals coincide. The cubic root of 65788328 is about 403.6915104082.

The spelling of 65788328 in words is "sixty-five million, seven hundred eighty-eight thousand, three hundred twenty-eight".