65782485408 has 48 divisors (see below), whose sum is σ = 172743217920. Its totient is φ = 21919343616.

The previous prime is 65782485397. The next prime is 65782485427. The reversal of 65782485408 is 80458428756.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135016 + ... + 387032.

It is an arithmetic number, because the mean of its divisors is an integer number (3598817040).

Almost surely, 2^65782485408 is an apocalyptic number.

It is an amenable number.

65782485408 is an abundant number, since it is smaller than the sum of its proper divisors (106960732512).

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

65782485408 is a wasteful number, since it uses less digits than its factorization.

65782485408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254749 (or 254741 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 65782485408 in words is "sixty-five billion, seven hundred eighty-two million, four hundred eighty-five thousand, four hundred eight".