80589288780 has 864 divisors, whose sum is σ = 335836755072. Its totient is φ = 15218565120.

The previous prime is 80589288779. The next prime is 80589288799. The reversal of 80589288780 is 8788298508.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 144684262 + ... + 144684818.

It is an arithmetic number, because the mean of its divisors is an integer number (388699948).

Almost surely, 2^80589288780 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 80589288780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167918377536).

80589288780 is an abundant number, since it is smaller than the sum of its proper divisors (255247466292).

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

80589288780 is a wasteful number, since it uses less digits than its factorization.

80589288780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 63.

The spelling of 80589288780 in words is "eighty billion, five hundred eighty-nine million, two hundred eighty-eight thousand, seven hundred eighty".