65275864 has 8 divisors (see below), whose sum is σ = 122392260. Its totient is φ = 32637928.

The previous prime is 65275843. The next prime is 65275871. The reversal of 65275864 is 46857256.

65275864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65275864.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4079734 + ... + 4079749.

Almost surely, 2^65275864 is an apocalyptic number.

It is an amenable number.

65275864 is a deficient number, since it is larger than the sum of its proper divisors (57116396).

65275864 is a wasteful number, since it uses less digits than its factorization.

65275864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159489 (or 8159485 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 65275864 is about 8079.3479934955. The cubic root of 65275864 is about 402.6405799853.

The spelling of 65275864 in words is "sixty-five million, two hundred seventy-five thousand, eight hundred sixty-four".