65897338248 has 96 divisors (see below), whose sum is σ = 204433257600. Its totient is φ = 18784859904.

The previous prime is 65897338211. The next prime is 65897338267. The reversal of 65897338248 is 84283379856.

65897338248 is a `hidden beast` number, since 6 + 58 + 9 + 7 + 338 + 248 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72340 + ... + 370172.

It is an arithmetic number, because the mean of its divisors is an integer number (2129513100).

Almost surely, 2^65897338248 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 65897338248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102216628800).

65897338248 is an abundant number, since it is smaller than the sum of its proper divisors (138535919352).

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

65897338248 is a wasteful number, since it uses less digits than its factorization.

65897338248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298291 (or 298284 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 65897338248 in words is "sixty-five billion, eight hundred ninety-seven million, three hundred thirty-eight thousand, two hundred forty-eight".