65488577 has 16 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 50410320.

The previous prime is 65488571. The next prime is 65488597. The reversal of 65488577 is 77588456.

It is a cyclic number.

It is not a de Polignac number, because 65488577 - 2¹² = 65484481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65488571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268 + ... + 11514.

It is an arithmetic number, because the mean of its divisors is an integer number (5164992).

Almost surely, 2^65488577 is an apocalyptic number.

It is an amenable number.

65488577 is a deficient number, since it is larger than the sum of its proper divisors (17151295).

65488577 is a wasteful number, since it uses less digits than its factorization.

65488577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348.

The product of its digits is 1881600, while the sum is 50.

The square root of 65488577 is about 8092.5012820512. The cubic root of 65488577 is about 403.0774643947.

The spelling of 65488577 in words is "sixty-five million, four hundred eighty-eight thousand, five hundred seventy-seven".