80804377080 has 576 divisors, whose sum is σ = 314516442240. Its totient is φ = 17929465344.

The previous prime is 80804377057. The next prime is 80804377081. The reversal of 80804377080 is 8077340808.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80804377081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 232865467 + ... + 232865813.

It is an arithmetic number, because the mean of its divisors is an integer number (546035490).

Almost surely, 2^80804377080 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 80804377080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157258221120).

80804377080 is an abundant number, since it is smaller than the sum of its proper divisors (233712065160).

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

80804377080 is a wasteful number, since it uses less digits than its factorization.

80804377080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 80804377080 in words is "eighty billion, eight hundred four million, three hundred seventy-seven thousand, eighty".