80063527720 has 128 divisors (see below), whose sum is σ = 209777817600. Its totient is φ = 27193017600.

The previous prime is 80063527703. The next prime is 80063527723. The reversal of 80063527720 is 2772536008.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (80063527723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526117 + ... + 661003.

It is an arithmetic number, because the mean of its divisors is an integer number (1638889200).

Almost surely, 2^80063527720 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 80063527720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104888908800).

80063527720 is an abundant number, since it is smaller than the sum of its proper divisors (129714289880).

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

80063527720 is a wasteful number, since it uses less digits than its factorization.

80063527720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134999 (or 134995 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 80063527720 in words is "eighty billion, sixty-three million, five hundred twenty-seven thousand, seven hundred twenty".