65353864 has 16 divisors (see below), whose sum is σ = 123249420. Its totient is φ = 32487360.

The previous prime is 65353861. The next prime is 65353891. The reversal of 65353864 is 46835356.

It can be written as a sum of positive squares in 2 ways, for example, as 64931364 + 422500 = 8058^2 + 650^2 .

It is a super-2 number, since 2×65353864² = 8542255079460992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65353861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22227 + ... + 24994.

Almost surely, 2^65353864 is an apocalyptic number.

It is an amenable number.

65353864 is a deficient number, since it is larger than the sum of its proper divisors (57895556).

65353864 is a wasteful number, since it uses less digits than its factorization.

65353864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47400 (or 47396 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 65353864 is about 8084.1736745322. The cubic root of 65353864 is about 402.8008917367.

The spelling of 65353864 in words is "sixty-five million, three hundred fifty-three thousand, eight hundred sixty-four".