65003776000 has 192 divisors, whose sum is σ = 167462830080. Its totient is φ = 25159680000.

The previous prime is 65003775989. The next prime is 65003776001. The reversal of 65003776000 is 67730056.

It is not an unprimeable number, because it can be changed into a prime (65003776001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7931905 + ... + 7940095.

It is an arithmetic number, because the mean of its divisors is an integer number (872202240).

Almost surely, 2^65003776000 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 65003776000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83731415040).

65003776000 is an abundant number, since it is smaller than the sum of its proper divisors (102459054080).

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

65003776000 is an equidigital number, since it uses as much as digits as its factorization.

65003776000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 65003776000 in words is "sixty-five billion, three million, seven hundred seventy-six thousand".