65352647888 has 30 divisors (see below), whose sum is σ = 139178189682. Its totient is φ = 29705748160.

The previous prime is 65352647887. The next prime is 65352647917. The reversal of 65352647888 is 88874625356.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49216535104 + 16136112784 = 221848^2 + 127028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65352647888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65352647887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16876331 + ... + 16880202.

Almost surely, 2^65352647888 is an apocalyptic number.

It is an amenable number.

65352647888 is an abundant number, since it is smaller than the sum of its proper divisors (73825541794).

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

65352647888 is a wasteful number, since it uses less digits than its factorization.

65352647888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33756563 (or 33756546 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 62.

The spelling of 65352647888 in words is "sixty-five billion, three hundred fifty-two million, six hundred forty-seven thousand, eight hundred eighty-eight".