80704849920 has 576 divisors, whose sum is σ = 282091118400. Its totient is φ = 19641139200.

The previous prime is 80704849919. The next prime is 80704849943. The reversal of 80704849920 is 2994840708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 799057870 + ... + 799057970.

It is an arithmetic number, because the mean of its divisors is an integer number (489741525).

Almost surely, 2^80704849920 is an apocalyptic number.

80704849920 is a gapful number since it is divisible by the number (80) 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 80704849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141045559200).

80704849920 is an abundant number, since it is smaller than the sum of its proper divisors (201386268480).

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

80704849920 is a wasteful number, since it uses less digits than its factorization.

80704849920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 80704849920 in words is "eighty billion, seven hundred four million, eight hundred forty-nine thousand, nine hundred twenty".