65387745304476 has 144 divisors (see below), whose sum is σ = 183362729905152. Its totient is φ = 18064115596800.

The previous prime is 65387745304471. The next prime is 65387745304501. The reversal of 65387745304476 is 67440354778356.

It is a self number, because there is not a number n which added to its sum of digits gives 65387745304476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65387745304471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19813300 + ... + 22876676.

It is an arithmetic number, because the mean of its divisors is an integer number (1273352291008).

Almost surely, 2^{65387745304476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65387745304476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91681364952576).

65387745304476 is an abundant number, since it is smaller than the sum of its proper divisors (117974984600676).

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

65387745304476 is a wasteful number, since it uses less digits than its factorization.

65387745304476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064600 (or 3064591 counting only the distinct ones).

The product of its (nonzero) digits is 1422489600, while the sum is 69.

The spelling of 65387745304476 in words is "sixty-five trillion, three hundred eighty-seven billion, seven hundred forty-five million, three hundred four thousand, four hundred seventy-six".