65387153899008 has 240 divisors, whose sum is σ = 195723179748096. Its totient is φ = 21793256478720.

The previous prime is 65387153899007. The next prime is 65387153899037. The reversal of 65387153899008 is 80099835178356.

65387153899008 is a `hidden beast` number, since 6 + 5 + 3 + 87 + 1 + 538 + 9 + 9 + 0 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65387153899007) by changing a digit.

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, 1347525435 + ... + 1347573957.

Almost surely, 2^{65387153899008} 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 65387153899008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97861589874048).

65387153899008 is an abundant number, since it is smaller than the sum of its proper divisors (130336025849088).

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

65387153899008 is an equidigital number, since it uses as much as digits as its factorization.

65387153899008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59387 (or 59359 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 65387153899008 in words is "sixty-five trillion, three hundred eighty-seven billion, one hundred fifty-three million, eight hundred ninety-nine thousand, eight".