64883331072 has 208 divisors, whose sum is σ = 219686551680. Its totient is φ = 18537873408.

The previous prime is 64883331067. The next prime is 64883331089. The reversal of 64883331072 is 27013338846.

It is a congruent number.

It is an unprimeable number.

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, 732238 + ... + 816050.

Almost surely, 2^64883331072 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 64883331072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109843275840).

64883331072 is an abundant number, since it is smaller than the sum of its proper divisors (154803220608).

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

64883331072 is an equidigital number, since it uses as much as digits as its factorization.

64883331072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83853 (or 83825 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 64883331072 in words is "sixty-four billion, eight hundred eighty-three million, three hundred thirty-one thousand, seventy-two".