80644377344608 has 192 divisors, whose sum is σ = 209599887168000. Its totient is φ = 29570140938240.

The previous prime is 80644377344579. The next prime is 80644377344737.

80644377344608 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 80644377344608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118331658 + ... + 1118403766.

It is an arithmetic number, because the mean of its divisors is an integer number (1091666079000).

Almost surely, 2^{80644377344608} is an apocalyptic number.

80644377344608 is a gapful number since it is divisible by the number (88) 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 80644377344608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104799943584000).

80644377344608 is an abundant number, since it is smaller than the sum of its proper divisors (128955509823392).

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

80644377344608 is a wasteful number, since it uses less digits than its factorization.

80644377344608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98853 (or 98845 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 64.

The spelling of 80644377344608 in words is "eighty trillion, six hundred forty-four billion, three hundred seventy-seven million, three hundred forty-four thousand, six hundred eight".