65333147880 has 512 divisors, whose sum is σ = 266371338240. Its totient is φ = 12378562560.

The previous prime is 65333147849. The next prime is 65333147897. The reversal of 65333147880 is 8874133356.

65333147880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9966684 + ... + 9973236.

It is an arithmetic number, because the mean of its divisors is an integer number (520256520).

Almost surely, 2^65333147880 is an apocalyptic number.

65333147880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65333147880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133185669120).

65333147880 is an abundant number, since it is smaller than the sum of its proper divisors (201038190360).

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

65333147880 is a wasteful number, since it uses less digits than its factorization.

65333147880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681 (or 6677 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 65333147880 in words is "sixty-five billion, three hundred thirty-three million, one hundred forty-seven thousand, eight hundred eighty".