65486864 has 20 divisors (see below), whose sum is σ = 127232556. Its totient is φ = 32652672.

The previous prime is 65486809. The next prime is 65486867. The reversal of 65486864 is 46868456.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 29246464 = 6020^2 + 5408^2 .

It is not an unprimeable number, because it can be changed into a prime (65486867) 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, 482 + ... + 11454.

Almost surely, 2^65486864 is an apocalyptic number.

It is an amenable number.

65486864 is a deficient number, since it is larger than the sum of its proper divisors (61745692).

65486864 is a wasteful number, since it uses less digits than its factorization.

65486864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354 (or 11348 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 65486864 is about 8092.3954426363. The cubic root of 65486864 is about 403.0739499003.

The spelling of 65486864 in words is "sixty-five million, four hundred eighty-six thousand, eight hundred sixty-four".