80780844300 has 144 divisors (see below), whose sum is σ = 252211357440. Its totient is φ = 19844501760.

The previous prime is 80780844299. The next prime is 80780844311. The reversal of 80780844300 is 344808708.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941111 + ... + 1982289.

It is an arithmetic number, because the mean of its divisors is an integer number (1751467760).

Almost surely, 2^80780844300 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 80780844300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126105678720).

80780844300 is an abundant number, since it is smaller than the sum of its proper divisors (171430513140).

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

80780844300 is a wasteful number, since it uses less digits than its factorization.

80780844300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41712 (or 41705 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 80780844300 in words is "eighty billion, seven hundred eighty million, eight hundred forty-four thousand, three hundred".