65895680 has 36 divisors (see below), whose sum is σ = 157843812. Its totient is φ = 26357760.

The previous prime is 65895679. The next prime is 65895707. The reversal of 65895680 is 8659856.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19219456 + 46676224 = 4384^2 + 6832^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24461 + ... + 27020.

Almost surely, 2^65895680 is an apocalyptic number.

It is an amenable number.

65895680 is an abundant number, since it is smaller than the sum of its proper divisors (91948132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65895680 is an equidigital number, since it uses as much as digits as its factorization.

65895680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51502 (or 51488 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 65895680 is about 8117.6154134081. The cubic root of 65895680 is about 403.9109695003.

The spelling of 65895680 in words is "sixty-five million, eight hundred ninety-five thousand, six hundred eighty".